diff options
38 files changed, 3732 insertions, 266 deletions
diff --git a/README.mediawiki b/README.mediawiki index 9abe3fd..e99c856 100644 --- a/README.mediawiki +++ b/README.mediawiki @@ -1,4 +1,4 @@ -People wishing to submit BIPs, first should propose their idea or document to the mailing list. After discussion they should email Luke Dashjr <luke_bipeditor@dashjr.org>. After copy-editing and acceptance, it will be published here. +People wishing to submit BIPs, first should propose their idea or document to the [https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev bitcoin-dev@lists.linuxfoundation.org] mailing list. After discussion, please open a PR. After copy-editing and acceptance, it will be published here. We are fairly liberal with approving BIPs, and try not to be too involved in decision making on behalf of the community. The exception is in very rare cases of dispute resolution when a decision is contentious and cannot be agreed upon. In those cases, the conservative option will always be preferred. @@ -223,13 +223,13 @@ Those proposing changes should consider that ultimately consent may rest with th | Marek Palatinus | Standard | BIP number allocated -|- +|-style="background-color: #cfffcf" | [[bip-0042.mediawiki|42]] | Consensus (soft fork) | A finite monetary supply for Bitcoin | Pieter Wuille | Standard -| Draft +| Final |- | [[bip-0043.mediawiki|43]] | Applications @@ -415,7 +415,7 @@ Those proposing changes should consider that ultimately consent may rest with th | Draft |- | [[bip-0090.mediawiki|90]] -| Consensus (hard fork) +| | Buried Deployments | Suhas Daftuar | Informational @@ -547,19 +547,26 @@ Those proposing changes should consider that ultimately consent may rest with th | Standard | Draft |- +| [[bip-0118.mediawiki|118]] +| Consensus (soft fork) +| SIGHASH_NOINPUT +| Christian Decker +| Standard +| Draft +|- style="background-color: #ffcfcf" | [[bip-0120.mediawiki|120]] | Applications | Proof of Payment | Kalle Rosenbaum | Standard -| Draft -|- +| Withdrawn +|- style="background-color: #ffcfcf" | [[bip-0121.mediawiki|121]] | Applications | Proof of Payment URI scheme | Kalle Rosenbaum | Standard -| Draft +| Withdrawn |- | [[bip-0122.mediawiki|122]] | Applications @@ -644,13 +651,13 @@ Those proposing changes should consider that ultimately consent may rest with th | Christian Decker | Standard | Draft -|- style="background-color: #ffffcf" +|- style="background-color: #cfffcf" | [[bip-0141.mediawiki|141]] | Consensus (soft fork) | Segregated Witness (Consensus layer) | Eric Lombrozo, Johnson Lau, Pieter Wuille | Standard -| Proposed +| Final |- style="background-color: #ffcfcf" | [[bip-0142.mediawiki|142]] | Applications @@ -658,20 +665,20 @@ Those proposing changes should consider that ultimately consent may rest with th | Johnson Lau | Standard | Withdrawn -|- style="background-color: #ffffcf" +|- style="background-color: #cfffcf" | [[bip-0143.mediawiki|143]] | Consensus (soft fork) | Transaction Signature Verification for Version 0 Witness Program | Johnson Lau, Pieter Wuille | Standard -| Proposed -|- style="background-color: #ffffcf" +| Final +|- style="background-color: #cfffcf" | [[bip-0144.mediawiki|144]] | Peer Services | Segregated Witness (Peer Services) | Eric Lombrozo, Pieter Wuille | Standard -| Proposed +| Final |- style="background-color: #cfffcf" | [[bip-0145.mediawiki|145]] | API/RPC @@ -686,13 +693,13 @@ Those proposing changes should consider that ultimately consent may rest with th | Johnson Lau, Pieter Wuille | Standard | Draft -|- style="background-color: #ffffcf" +|- style="background-color: #cfffcf" | [[bip-0147.mediawiki|147]] | Consensus (soft fork) | Dealing with dummy stack element malleability | Johnson Lau | Standard -| Proposed +| Final |- style="background-color: #cfffcf" | [[bip-0148.mediawiki|148]] | Consensus (soft fork) @@ -736,6 +743,20 @@ Those proposing changes should consider that ultimately consent may rest with th | Standard | Draft |- +| [[bip-0157.mediawiki|157]] +| Peer Services +| Client Side Block Filtering +| Olaoluwa Osuntokun, Alex Akselrod, Jim Posen +| Standard +| Draft +|- +| [[bip-0158.mediawiki|158]] +| Peer Services +| Compact Block Filters for Light Clients +| Olaoluwa Osuntokun, Alex Akselrod +| Standard +| Draft +|- | [[bip-0159.mediawiki|159]] | Peer Services | NODE_NETWORK_LIMITED service bit @@ -749,20 +770,20 @@ Those proposing changes should consider that ultimately consent may rest with th | Luke Dashjr | Standard | Draft -|- +|- style="background-color: #cfffcf" | [[bip-0173.mediawiki|173]] | Applications | Base32 address format for native v0-16 witness outputs | Pieter Wuille, Greg Maxwell | Informational -| Draft -|- +| Final +|- style="background-color: #ffffcf" | [[bip-0174.mediawiki|174]] | Applications | Partially Signed Bitcoin Transaction Format | Andrew Chow | Standard -| Draft +| Proposed |- | [[bip-0175.mediawiki|175]] | Applications @@ -778,6 +799,13 @@ Those proposing changes should consider that ultimately consent may rest with th | Informational | Draft |- +| [[bip-0178.mediawiki|178]] +| Applications +| Version Extended WIF +| Karl-Johan Alm +| Standard +| Draft +|- | [[bip-0180.mediawiki|180]] | Peer Services | Block size/weight fraud proof diff --git a/bip-0009/assignments.mediawiki b/bip-0009/assignments.mediawiki index 6a12e79..c6a8f00 100644 --- a/bip-0009/assignments.mediawiki +++ b/bip-0009/assignments.mediawiki @@ -29,7 +29,7 @@ State can be defined, active, failed. Dates are in UTC. | 1 | 2016-11-15 00:00:00 | 2017-11-15 00:00:00 -| - +| active since #481824 | 2016-05-01 00:00:00 | 2017-05-01 00:00:00 | active since #834624 diff --git a/bip-0011.mediawiki b/bip-0011.mediawiki index bb0a308..e5052eb 100644 --- a/bip-0011.mediawiki +++ b/bip-0011.mediawiki @@ -38,7 +38,7 @@ OP_CHECKMULTISIG transactions are redeemed using a standard scriptSig: (OP_0 is required because of a bug in OP_CHECKMULTISIG; it pops one too many items off the execution stack, so a dummy value must be placed on the stack). -The current Satoshi bitcoin client does not relay or mine transactions with scriptSigs larger than 200 bytes; to accomodate 3-signature transactions, this will be increased to 500 bytes. +The current Satoshi bitcoin client does not relay or mine transactions with scriptSigs larger than 200 bytes; to accommodate 3-signature transactions, this will be increased to 500 bytes. ==Rationale== diff --git a/bip-0016.mediawiki b/bip-0016.mediawiki index d5d39ef..ba828e1 100644 --- a/bip-0016.mediawiki +++ b/bip-0016.mediawiki @@ -101,7 +101,7 @@ If a majority of hashing power does not support the new validation rules, then r ===520-byte limitation on serialized script size=== -As a consequence of the requirement for backwards compatiblity the serialized script is itself subject to the same rules as any other PUSHDATA operation, including the rule that no data greater than 520 bytes may be pushed to the stack. Thus it is not possible to spend a P2SH output if the redemption script it refers to is >520 bytes in length. For instance while the OP_CHECKMULTISIG opcode can itself accept up to 20 pubkeys, with 33-byte compressed pubkeys it is only possible to spend a P2SH output requiring a maximum of 15 pubkeys to redeem: 3 bytes + 15 pubkeys * 34 bytes/pubkey = 513 bytes. +As a consequence of the requirement for backwards compatibility the serialized script is itself subject to the same rules as any other PUSHDATA operation, including the rule that no data greater than 520 bytes may be pushed to the stack. Thus it is not possible to spend a P2SH output if the redemption script it refers to is >520 bytes in length. For instance while the OP_CHECKMULTISIG opcode can itself accept up to 20 pubkeys, with 33-byte compressed pubkeys it is only possible to spend a P2SH output requiring a maximum of 15 pubkeys to redeem: 3 bytes + 15 pubkeys * 34 bytes/pubkey = 513 bytes. ==Reference Implementation== diff --git a/bip-0032.mediawiki b/bip-0032.mediawiki index ab6ff9e..fa41cf2 100644 --- a/bip-0032.mediawiki +++ b/bip-0032.mediawiki @@ -1,9 +1,9 @@ RECENT CHANGES: -* (24 Feb 2017) Added test vectors for hardened derivation with leading zeros * (16 Apr 2013) Added private derivation for i ≥ 0x80000000 (less risk of parent private key leakage) * (30 Apr 2013) Switched from multiplication by I<sub>L</sub> to addition of I<sub>L</sub> (faster, easier implementation) * (25 May 2013) Added test vectors * (15 Jan 2014) Rename keys with index ≥ 0x80000000 to hardened keys, and add explicit conversion functions. +* (24 Feb 2017) Added test vectors for hardened derivation with leading zeros <pre> BIP: 32 diff --git a/bip-0039.mediawiki b/bip-0039.mediawiki index 2fad971..84c09a0 100644 --- a/bip-0039.mediawiki +++ b/bip-0039.mediawiki @@ -134,6 +134,9 @@ http://github.com/trezor/python-mnemonic ==Other Implementations== +Go: +* https://github.com/tyler-smith/go-bip39 + Elixir: * https://github.com/izelnakri/mnemonic @@ -161,6 +164,7 @@ Rust: Swift: * https://github.com/CikeQiu/CKMnemonic +* https://github.com/yuzushioh/WalletKit C++: * https://github.com/libbitcoin/libbitcoin/blob/master/include/bitcoin/bitcoin/wallet/mnemonic.hpp diff --git a/bip-0042.mediawiki b/bip-0042.mediawiki index 00ac10c..223076f 100644 --- a/bip-0042.mediawiki +++ b/bip-0042.mediawiki @@ -5,7 +5,7 @@ Author: Pieter Wuille <pieter.wuille@gmail.com> Comments-Summary: Unanimously Recommended for implementation Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0042 - Status: Draft + Status: Final Type: Standards Track Created: 2014-04-01 License: PD diff --git a/bip-0045.mediawiki b/bip-0045.mediawiki index 51a9903..9550153 100644 --- a/bip-0045.mediawiki +++ b/bip-0045.mediawiki @@ -62,7 +62,7 @@ Hardened derivation is used at this level. The index of the party creating a P2SH multisig address. The indices can be determined independently by lexicographically sorting the purpose public -keys of each cosigner. Each cosigner creates addresses on it's own branch, +keys of each cosigner. Each cosigner creates addresses on its own branch, even though they have independent extended master public key, as explained in the "Address generation" section. diff --git a/bip-0061.mediawiki b/bip-0061.mediawiki index 1e3d41f..b08739d 100644 --- a/bip-0061.mediawiki +++ b/bip-0061.mediawiki @@ -83,7 +83,7 @@ the reject message, "client" is the peer that will receive the message. ==== reject version codes ==== -Codes generated during the intial connection process in response to a "version" message: +Codes generated during the initial connection process in response to a "version" message: {| | Code || Description diff --git a/bip-0065.mediawiki b/bip-0065.mediawiki index 065eb15..1365884 100644 --- a/bip-0065.mediawiki +++ b/bip-0065.mediawiki @@ -136,7 +136,7 @@ transaction is created, tx3, to ensure that should the payee vanish the payor can get their deposit back. The process by which the refund transaction is created is currently vulnerable to transaction malleability attacks, and additionally, requires the payor to store the refund. Using the same -scriptPubKey from as in the Two-factor wallets example solves both these issues. +scriptPubKey form as in the Two-factor wallets example solves both these issues. ===Trustless Payments for Publishing Data=== @@ -312,20 +312,24 @@ time. ==References== -PayPub - https://github.com/unsystem/paypub +PayPub -Jeremy Spilman Payment Channels - https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2013-April/002433.html +* https://github.com/unsystem/paypub + +Jeremy Spilman Payment Channels + +* https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2013-April/002433.html ==Implementations== Python / python-bitcoinlib -- https://github.com/petertodd/checklocktimeverify-demos +* https://github.com/petertodd/checklocktimeverify-demos JavaScript / Node.js / bitcore -- https://github.com/mruddy/bip65-demos +* https://github.com/mruddy/bip65-demos ==Copyright== diff --git a/bip-0066.mediawiki b/bip-0066.mediawiki index 7cc3cf2..936d507 100644 --- a/bip-0066.mediawiki +++ b/bip-0066.mediawiki @@ -142,3 +142,6 @@ An implementation for the reference client is available at https://github.com/bi This document is extracted from the previous BIP62 proposal, which had input from various people, in particular Greg Maxwell and Peter Todd, who gave feedback about this document as well. +==Disclosures== + +* Subsequent to the network-wide adoption and enforcement of this BIP, the author [https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-July/009697.html disclosed] that strict DER signatures provided an indirect solution to a consensus bug he had previously discovered. diff --git a/bip-0084.mediawiki b/bip-0084.mediawiki index ab093f4..340dff2 100644 --- a/bip-0084.mediawiki +++ b/bip-0084.mediawiki @@ -59,10 +59,12 @@ This BIP is not backwards compatible by design as described under [#consideratio <pre> mnemonic = abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about - rootnode = zprvAWgYBBk7JR8Gjrh4UJQ2uJdG1r3WNRRfURiABBE3RvMXYSrRJL62XuezvGdPvG6GFBZduosCc1YP5wixPox7zhZLfiUm8aunE96BBa4Kei5 + rootpriv = zprvAWgYBBk7JR8Gjrh4UJQ2uJdG1r3WNRRfURiABBE3RvMXYSrRJL62XuezvGdPvG6GFBZduosCc1YP5wixPox7zhZLfiUm8aunE96BBa4Kei5 + rootpub = zpub6jftahH18ngZxLmXaKw3GSZzZsszmt9WqedkyZdezFtWRFBZqsQH5hyUmb4pCEeZGmVfQuP5bedXTB8is6fTv19U1GQRyQUKQGUTzyHACMF // Account 0, root = m/84'/0'/0' xpriv = zprvAdG4iTXWBoARxkkzNpNh8r6Qag3irQB8PzEMkAFeTRXxHpbF9z4QgEvBRmfvqWvGp42t42nvgGpNgYSJA9iefm1yYNZKEm7z6qUWCroSQnE + xpub = zpub6rFR7y4Q2AijBEqTUquhVz398htDFrtymD9xYYfG1m4wAcvPhXNfE3EfH1r1ADqtfSdVCToUG868RvUUkgDKf31mGDtKsAYz2oz2AGutZYs // Account 0, first receiving address = m/84'/0'/0'/0/0 privkey = KyZpNDKnfs94vbrwhJneDi77V6jF64PWPF8x5cdJb8ifgg2DUc9d diff --git a/bip-0090.mediawiki b/bip-0090.mediawiki index a2d3456..8cf3d6d 100644 --- a/bip-0090.mediawiki +++ b/bip-0090.mediawiki @@ -1,6 +1,5 @@ <pre> BIP: 90 - Layer: Consensus (hard fork) Title: Buried Deployments Author: Suhas Daftuar <sdaftuar@chaincode.com> Comments-Summary: Mostly Recommended for implementation, with some Discouragement diff --git a/bip-0098.mediawiki b/bip-0098.mediawiki index 6bdf784..8540d1a 100644 --- a/bip-0098.mediawiki +++ b/bip-0098.mediawiki @@ -57,8 +57,8 @@ The following image depicts an example unbalanced hash-tree: '''A''', '''B''', and '''C''' are leaf labels, 32-byte double-SHA256 hashes of the data associated with the leaf. '''Node''' and '''Root''' are inner nodes, whose labels are fast-SHA256 (defined below) hashes of their respective children's labels. -'''Node''' is labelled with the fast-SHA256 hash of the concatination of '''B''' and '''C'''. -'''Root''' is labelled with the fast-SHA256 hash of the concatination of '''A''' and '''Node''', and is the ''Merkle root'' of the tree. +'''Node''' is labelled with the fast-SHA256 hash of the concatenation of '''B''' and '''C'''. +'''Root''' is labelled with the fast-SHA256 hash of the concatenation of '''A''' and '''Node''', and is the ''Merkle root'' of the tree. Nodes with single children are not allowed. The ''double-SHA256'' cryptographic hash function takes an arbitrary-length data as input and produces a 32-byte hash by running the data through the SHA-256 hash function as specified in FIPS 180-4[3], and then running the same hash function again on the 32-byte result, as a protection against length-extension attacks. @@ -96,7 +96,7 @@ The application of fast-SHA256 to inner node label updates is safe in this limit so the sorts of attacks prevented by message padding and double-hashing do not apply. The 'initialization vector' for fast-SHA256 is changed in order to prevent a category of attacks on higher level protocols where a partial collision can serve as both a leaf hash and as an inner node commitment to another leaf hash. -The IV is computed using standard SHA-256 plus midstate extraction so as to preserve compatability with cryptographic library interfaces that do not support custom IVs, at the cost of a 2x performance hit if neither custom IVs nor resuming from midstate are supported. +The IV is computed using standard SHA-256 plus midstate extraction so as to preserve compatibility with cryptographic library interfaces that do not support custom IVs, at the cost of a 2x performance hit if neither custom IVs nor resuming from midstate are supported. The data hashed is a nothing-up-my-sleeve number that is unlikely to have a known hash preimage. The prime 23 was chosen as the leading fractional bits of the first eight (8) primes, two (2) through nineteen (19), are constants used in the setup of SHA-256 itself. Using the next prime in sequence reduces the likelihood of introducing weakness due to reuse of a constant factor. @@ -131,7 +131,7 @@ There are eight possible configurations of internal nodes, as given in the follo :: [[File:bip-0098/node-variants.png]] -In this diagram, DESCEND means the branch links to another internal node, as indicated by the its child graph elements labeled "..."; +In this diagram, DESCEND means the branch links to another internal node, as indicated by its child graph elements labeled "..."; SKIP means the branch contains a hash of an elided subtree or element, and the fast-SHA256 root hash of this subtree or double-SHA256 hash of the element is included in the proof structure; and VERIFY means the branch contains an externally provided hash that is needed as witness for the verification of the proof. In tabular form, these code values are: @@ -176,7 +176,7 @@ In tabular form, these code values are: |} These 3-bit codes are packed into a byte array such that eight (8) codes would fit in every three (3) bytes. -The order of filling a byte begins with the most significant bit <code>0x80</code> and ends with the lest significant bit <code>0x01</code>. +The order of filling a byte begins with the most significant bit <code>0x80</code> and ends with the least significant bit <code>0x01</code>. Unless the number of inner nodes is a multiple of eight (8), there will be excess low-order bits in the final byte of serialization. These excess bits must be zero. @@ -244,7 +244,7 @@ and is exactly equal to the number of inner nodes serialized as the beginning of The variable-length integer encoding has the property that serialized integers, sorted lexigraphically, will also be sorted numerically. Since the first serialized item is the number of inner nodes, sorting proofs lexigraphically has the effect of sorting the proofs by the amount of work required to verify. -The number of hashes required as input for verification of a proof is N+1 minus the number of SKIP hashses, +The number of hashes required as input for verification of a proof is N+1 minus the number of SKIP hashes, and can be quickly calculated without parsing the tree structure. The coding and packing rules for the serialized tree structure were also chosen to make lexigraphical comparison useful (or at least not meaningless). @@ -264,7 +264,7 @@ which has the additional benefit of enabling log-space verification algorithms. ==Fast Merkle Lists== Many applications use a Merkle tree to provide indexing of, or compact membership proofs about the elements in a list. -This ammendum specifies an algorithm that constructs a canonical balanced tree structure for lists of various lengths. +This addendum specifies an algorithm that constructs a canonical balanced tree structure for lists of various lengths. It differs in a subtle but important way from the algorithm used by Satoshi so as to structurally prevent the vulnerability described in [1]. # Begin with a list of arbitrary data strings. diff --git a/bip-0116.mediawiki b/bip-0116.mediawiki index e2a1daf..86b0f9a 100644 --- a/bip-0116.mediawiki +++ b/bip-0116.mediawiki @@ -69,7 +69,7 @@ A source of malleability in Merkle proofs could potentially lead to spend vulner For example, a compact 2-of-N policy could be written by using MERKLEBRANCHVERIFY to prove that two keys are extracted from the same tree, one at a time, then checking the proofs for bitwise equality to make sure the same entry wasn't used twice. With the vulnerable Merkle tree implementation there are privledged positions in unbalanced Merkle trees that allow multiple proofs to be constructed for the same, single entry. -BIP141 (Segregated Witness)[3] provides support for a powerful form of scirpt upgrades called script versioning, which is able to achieve the sort of upgrades which would previously have been hard-forks. +BIP141 (Segregated Witness)[3] provides support for a powerful form of script upgrades called script versioning, which is able to achieve the sort of upgrades which would previously have been hard-forks. If script versioning were used for deployment then MERKLEBRANCHVERIFY could be written to consume its inputs, which would provide a small 2-byte savings for many anticipated use cases. However the more familiar NOP-expansion soft-fork mechanism used by BIP65 (CHECKLOCKTIMEVERIFY)[5] and BIP112 (CHECKSEQUENCEVERIFY)[6] was chosen over script versioning for the following two reasons: @@ -99,7 +99,7 @@ The low-order bit of the first parameter, 2, is clear, meaning that there is one As described by Pieter Wuille[8] the 1-of-N scheme is particularly useful for constructing honeypots. The desire is to put a large bounty on a server, larger than the value of the server itself so that if the server is compromised it is highly likely that the hacker will claim the bitcoin, thereby revealing the intrusion. However if there are many servers, e.g. 1,000, it becomes excessively expensive to lock up separate bounties for each server. -It would be desireable if the same bounty was shared across multiple servers in such a way that the spend would reveal which server was compromised. +It would be desirable if the same bounty was shared across multiple servers in such a way that the spend would reveal which server was compromised. This is accomplished by generating 1,000 different keys, building a hash tree of these public keys, and placing each key and associated Merkle path on separate servers. When the honeypot is claimed, the (previous) owner of the coins can tell which server was compromised from the key and path used to claim the funds. @@ -126,7 +126,7 @@ Old clients will consider the OP_MERKLEBRANCHVERIFY as a NOP and ignore it. Proo ==References== -[1] [https://github.com/bitcoin/bips/blog/master/bip-0098.mediawiki BIP98: Fast Merkle Trees (Consensus layer)] +[1] [https://github.com/bitcoin/bips/blob/master/bip-0098.mediawiki BIP98: Fast Merkle Trees (Consensus layer)] [2] [https://github.com/bitcoin/bips/blob/master/bip-0016.mediawiki BIP16: Pay to Script Hash] diff --git a/bip-0117.mediawiki b/bip-0117.mediawiki index ab5af61..4b5706e 100644 --- a/bip-0117.mediawiki +++ b/bip-0117.mediawiki @@ -42,17 +42,13 @@ while the remaining elements of both stacks remain in place as inputs. If the above conditions hold except for the last one, such that: -* the top-most element ''is'' a single byte within the inclusive range of <code>0x51</code> (<code>OP_1</code>, meaning N=2) to <code>0x60</code> (<code>OP_16</code>, meaning N=17); - -and: - -* the next N-1 elements on the main stack (continuing on the alt stack if the main stack is exhausted) are 520 byte pushes; and -* the following Nth element on the main stack (or alt stack, as above) is between 1 and 520 bytes, +* the top-most element ''is'' a single byte within the inclusive range of <code>0x51</code> (<code>OP_1</code>, meaning N=2) to <code>0x60</code> (<code>OP_16</code>, meaning N=17); and +* other than this top-most element there are at least N additional elements on the main stack and alt stack combined, then the top-most element of the main stack is dropped, and the N=2 (<code>0x51</code>) to 17 (<code>0x60</code>) further elements are popped from the main stack, continuing from the alt stack if the main stack is exhausted, -and concatinated together in reverse order to form a serialized script, +and concatenated together in reverse order to form a serialized script, which is then executed with the remaining elements of both stacks remaining in place as inputs. The presence of CHECKSIG or CHECKMULTISIG within the subscript do not count towards the global MAX_BLOCK_SIGOPS_COST limit, @@ -102,7 +98,7 @@ The global SIGOP limit and per-script opcode limits do not apply to the policy s because dynamic selection of the policy script makes it not possible for static analysis tools to verify these limits in general, and because performance improvements to libsecp256k1 and Bitcoin Core have made these limits no longer necessary as they once were. The validation costs are still limited by the number of signature operations it is possible to encode within block size limits, -and the maximum script size per input is still limited to 10,000 bytes. +and the maximum script size per input is limited to 10,000 + 17*520 = 18,840 bytes. To allow for this drop of global and per-script limits, tail-call evaluation cannot be allowed for direct execution of the scriptPubKey, @@ -117,16 +113,17 @@ The possible execution pathways through the script are then enumerated, with con The list of possible execution pathways is then put into a Merkle tree, with the flattened policy scripts as the leaves of this tree. The final redeem script which funds are sent to is as follows: - redeemScript: OVER HASH256 <root> 1 MERKLEBRANCHVERIFY 2DROP 2DROP + redeemScript: <nowiki><root> 2 MERKLEBRANCHVERIFY 2DROP DROP</nowiki> witness: <nowiki><argN> ... <arg1> <policyScript> <proof></nowiki> Where <code>policyScript</code> is the flattened execution pathway, <code>proof</code> is the serialized Merkle branch and path that proves the policyScript is drawn from the set used to construct the Merkle tree <code>root</code>, and <code>arg1</code> through <code>argN</code> are the arguments required by <code>policyScript</code>. -The <code>OVER HASH256</code> copies the subscript and performs the double-SHA256 hash necessary to prepare the leaf hash value for MERKLEBRANCHVERIFY, and the <code>2DROP 2DROP</code> is necessary to remove the arguments to MERKLEBRANCHVERIFY from the stack. +The <code>2</code> indicates that a single leaf (<code>1 << 1</code>) follows, and the leaf value is not pre-hashed. +The <code>2DROP DROP</code> is necessary to remove the arguments to MERKLEBRANCHVERIFY from the stack. The above example was designed for clarity, but actually violates the CLEANSTACK rule of segwit v0 script execution. Unless the CLEANSTACK rule is dropped or modified in a new segwit output version, this would script would have to be modified to use the alt-stack, as follows: - redeemScript: <nowiki>[TOALTSTACK]*N OVER HASH256 <root> 1 MERKLEBRANCHVERIFY 2DROP 2DROP</nowiki> + redeemScript: <nowiki>[TOALTSTACK]*N <root> 2 MERKLEBRANCHVERIFY 2DROP DROP</nowiki> witness: <nowiki><policyScript> <proof> <arg1> ... <argN></nowiki> Where <code>[TOALTSTACK]*N</code> is the TOALTSTACK opcode repeated N times. @@ -142,7 +139,7 @@ The following redeem script allows between 1 and 3 witness arguments in addition DEPTH 2 SUB // Calculate number of optional elements, ignoring policyScript and proof DUP IF SWAP TOALTSTACK 1SUB ENDIF // Save 2nd element (optional) to alt-stack, if it is present IF TOALTSTACK ENDIF // Save 3rd element (optional) to alt-stack, if it is present; consume counter - OVER HASH256 <nowiki><root></nowiki> 1 MERKLEBRANCHVERIFY 2DROP 2DROP + <nowiki><root></nowiki> 2 MERKLEBRANCHVERIFY 2DROP DROP alt-stack: <nowiki><N+2> <argN> ... <arg1></nowiki> Because the number of witness elements is pushed onto the alt-stack, this enables policy scripts to verify the number of arguments passed, even though the size of the alt-stack is not usually accessible to script. diff --git a/bip-0118.mediawiki b/bip-0118.mediawiki new file mode 100644 index 0000000..1b2f27c --- /dev/null +++ b/bip-0118.mediawiki @@ -0,0 +1,144 @@ +<pre> + BIP: 118 + Layer: Consensus (soft fork) + Title: SIGHASH_NOINPUT + Author: Christian Decker <decker.christian@gmail.com> + Comments-Summary: No comments yet. + Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0118 + Status: Draft + Type: Standards Track + Created: 2017-02-28 + License: BSD-3-Clause +</pre> + +== Abstract == +This BIP describes a new signature hash flag (<tt>sighash</tt>-flag) for +segwit transactions. It removes any commitment to the output being +spent from the signature verification mechanism. This enables dynamic +binding of transactions to outputs, predicated solely on the +compatibility of output scripts to input scripts. + +== Motivation == +Off-chain protocols make use of transactions that are not yet +broadcast to the Bitcoin network in order to renegotiate the final +state that should be settled on-chain. +In a number of cases it is desirable to react to a given transaction +being seen on-chain with a predetermined reaction in the form of +another transaction. +Often the reaction is identical, no matter which transaction is seen +on-chain, but the application still needs to create many identical +transactions. +This is because signatures in the input of a transaction uniquely +commit to the hash of the transaction that created the output being +spent. + +This proposal introduces a new sighash flag that modifies the behavior +of the transaction digest algorithm used in the signature creation and +verification, to exclude the previous output commitment. +By removing the commitment we enable dynamic rebinding of a signed +transaction to outputs whose <tt>witnessProgram</tt> and value match the ones +in the <tt>witness</tt> of the spending transaction. + +The dynamic binding is opt-in and can further be restricted by using +unique <tt>witnessProgram</tt> scripts that are specific to the application +instance, e.g., using public keys that are specific to the off-chain +protocol instance. + +== Specification == +<tt>SIGHASH_NOINPUT</tt> is a flag with value <tt>0x40</tt> appended to a signature +so that the signature does not commit to any of the inputs, and +therefore to the outputs being spent. The flag applies solely to the +verification of that single signature. + +The <tt>SIGHASH_NOINPUT</tt> flag is only active for segwit scripts with +version 1 or higher. Should the flag be used in a non-segwit script or +a segwit script of version 0, the current behavior is maintained and +the script execution MUST abort with a failure. + +The transaction digest algorithm from BIP 143 is used when verifying a +<tt>SIGHASH_NOINPUT</tt> signature, with the following modifications: + + 2. hashPrevouts (32-byte hash) is 32 0x00 bytes + 3. hashSequence (32-byte hash) is 32 0x00 bytes + 4. outpoint (32-byte hash + 4-byte little endian) is + set to 36 0x00 bytes + 5. scriptCode of the input is set to an empty script + 0x00 + +The <tt>value</tt> of the previous output remains part of the transaction +digest and is therefore also committed to in the signature. + +The <tt>NOINPUT</tt> flag MAY be combined with the <tt>SINGLE</tt> flag in which +case the <tt>hashOutputs</tt> is modified as per BIP +143<ref>https://github.com/bitcoin/bips/blob/master/bip-0143.mediawiki</ref>: it +only commits to the output with the matching index, if such output exists, and +is a <tt>uint256</tt> <tt>0x0000......0000</tt> otherwise. + +Being a change in the digest algorithm, the <tt>NOINPUT</tt> flag applies to +all segwit signature verification opcodes, specifically it applies to: + +* <tt>OP_CHECKSIG</tt> + +* <tt>OP_CHECKSIGVERIFY</tt> + +* <tt>OP_CHECKMULTISIG</tt> + +* <tt>OP_CHECKMULTISIGVERIFY</tt> + +== Binding through scripts == +Using <tt>NOINPUT</tt> the input containing the signature no longer +references a specific output. +Any participant can take a transaction and rewrite it by changing the +hash reference to the previous output, without invalidating the +signatures. +This allows transactions to be bound to any output that matches the +value committed to in the <tt>witness</tt> and whose <tt>witnessProgram</tt>, +combined with the spending transaction's <tt>witness</tt> returns <tt>true</tt>. + +Previously, all information in the transaction was committed in the +signature itself, while now the relationship between the spending +transaction and the output being spent is solely based on the +compatibility of the <tt>witnessProgram</tt> and the <tt>witness</tt>. + +This also means that particular care has to be taken in order to avoid +unintentionally enabling this rebinding mechanism. <tt>NOINPUT</tt> MUST NOT +be used, unless it is explicitly needed for the application, e.g., it +MUST NOT be a default signing flag in a wallet +implementation. Rebinding is only possible when the outputs the +transaction may bind to all use the same public keys. Any public key +that is used in a <tt>NOINPUT</tt> signature MUST only be used for outputs +that the input may bind to, and they MUST NOT be used for transactions +that the input may not bind to. For example an application SHOULD +generate a new key-pair for the application instance using <tt>NOINPUT</tt> +signatures and MUST NOT reuse them afterwards. + +== Deployment == +The <tt>NOINPUT</tt> sighash flag is to be deployed during a regular segwit +script update. + +== Backward compatibility == +As a soft fork, older software will continue to operate without +modification. Non-upgraded nodes, however, will not verify the +validity of the new sighash flag and will consider the transaction +valid by default. Being only applicable to segwit transactions, +non-segwit nodes will see an anyone-can-spend script and will consider +it valid. + +== Acknowledgments == + +The <tt>NOINPUT</tt> sighash flag was first proposed by Joseph Poon in +February 2016<ref>https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-February/012460.html</ref>, after being mentioned in the original +Lightning paper<ref>http://lightning.network/lightning-network.pdf</ref>. A formal proposal was however +deferred until after the activation of segwit. This proposal is a +continuation of this discussion and attempts to formalize it in such a +way that it can be included in the Bitcoin protocol. As such we'd like +acknowledge Joseph Poon and Thaddeus Dryja as the original inventors +of the <tt>NOINPUT</tt> sighash flag, and its uses in off-chain protocols. + +== References == + +<references/> + +== Copyright == + +This document is licensed under the BSD 3 Clause license. diff --git a/bip-0120.mediawiki b/bip-0120.mediawiki index d48cdfa..b951e93 100644 --- a/bip-0120.mediawiki +++ b/bip-0120.mediawiki @@ -5,7 +5,7 @@ Author: Kalle Rosenbaum <kalle@rosenbaum.se> Comments-Summary: No comments yet. Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0120 - Status: Draft + Status: Withdrawn Type: Standards Track Created: 2015-07-28 </pre> diff --git a/bip-0121.mediawiki b/bip-0121.mediawiki index 34820f5..1b01a0b 100644 --- a/bip-0121.mediawiki +++ b/bip-0121.mediawiki @@ -5,7 +5,7 @@ Author: Kalle Rosenbaum <kalle@rosenbaum.se> Comments-Summary: No comments yet. Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0121 - Status: Draft + Status: Withdrawn Type: Standards Track Created: 2015-07-27 </pre> diff --git a/bip-0125.mediawiki b/bip-0125.mediawiki index b2e3cec..f1e5349 100644 --- a/bip-0125.mediawiki +++ b/bip-0125.mediawiki @@ -85,7 +85,7 @@ unconfirmed. Wallets that don't want to signal replaceability should use either a max sequence number (0xffffffff) or a sequence number of (0xffffffff-1) when -then also want to use locktime; all known wallets currently do this. +they also want to use locktime; all known wallets currently do this. They should also take care not to spend any unconfirmed transaction that signals replaceability explicitly or through inherited signaling; most wallets also currently do this by not spending any unconfirmed transactions except diff --git a/bip-0141.mediawiki b/bip-0141.mediawiki index 70eb1e1..82f6abd 100644 --- a/bip-0141.mediawiki +++ b/bip-0141.mediawiki @@ -7,7 +7,7 @@ Pieter Wuille <pieter.wuille@gmail.com> Comments-Summary: No comments yet. Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0141 - Status: Proposed + Status: Final Type: Standards Track Created: 2015-12-21 License: PD @@ -324,6 +324,7 @@ https://github.com/bitcoin/bitcoin/pull/8149 *[[bip-0016.mediawiki|BIP16 Pay to Script Hash]] *[[bip-0143.mediawiki|BIP143 Transaction Signature Verification for Version 0 Witness Program]] *[[bip-0144.mediawiki|BIP144 Segregated Witness (Peer Services)]] +*[[bip-0173.mediawiki|BIP173 Base32 address format for native v0-16 witness outputs]] == Copyright == diff --git a/bip-0143.mediawiki b/bip-0143.mediawiki index b3d6c09..ed07c82 100644 --- a/bip-0143.mediawiki +++ b/bip-0143.mediawiki @@ -6,7 +6,7 @@ Pieter Wuille <pieter.wuille@gmail.com> Comments-Summary: No comments yet. Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0143 - Status: Proposed + Status: Final Type: Standards Track Created: 2016-01-03 License: PD @@ -67,7 +67,7 @@ The item 6 is a 8-byte value of the amount of bitcoin spent in this input. <code>hashOutputs</code>: *If the sighash type is neither <code>SINGLE</code> nor <code>NONE</code>, <code>hashOutputs</code> is the double SHA256 of the serialization of all output amount (8-byte little endian) with <code>scriptPubKey</code> (serialized as scripts inside CTxOuts); *If sighash type is <code>SINGLE</code> and the input index is smaller than the number of outputs, <code>hashOutputs</code> is the double SHA256 of the output amount with <code>scriptPubKey</code> of the same index as the input; -*Otherwise, <code>hashOutputs</code> is a <code>uint256</code> of <code>0x0000......0000</code>.<ref>In the original algorithm, a <code>uint256</code> of <code>0x0000......0001</code> is committed if the input index for a <code>SINGLE</code> signature is greater than or equal to the number of outputs. In this BIP a <code>0x0000......0000</code> is commited, without changing the semantics.</ref> +*Otherwise, <code>hashOutputs</code> is a <code>uint256</code> of <code>0x0000......0000</code>.<ref>In the original algorithm, a <code>uint256</code> of <code>0x0000......0001</code> is committed if the input index for a <code>SINGLE</code> signature is greater than or equal to the number of outputs. In this BIP a <code>0x0000......0000</code> is committed, without changing the semantics.</ref> The <code>hashPrevouts</code>, <code>hashSequence</code>, and <code>hashOutputs</code> calculated in an earlier verification may be reused in other inputs of the same transaction, so that the time complexity of the whole hashing process reduces from O(n<sup>2</sup>) to O(n). @@ -303,7 +303,7 @@ This example shows how <code>OP_CODESEPARATOR</code> and out-of-range <code>SIGH scriptCode: 4721026dccc749adc2a9d0d89497ac511f760f45c47dc5ed9cf352a58ac706453880aeadab210255a9626aebf5e29c0e6538428ba0d1dcf6ca98ffdf086aa8ced5e0d0215ea465ac ^^ - (please note that the not-yet-exectued OP_CODESEPARATOR is not removed from the scriptCode) + (please note that the not-yet-executed OP_CODESEPARATOR is not removed from the scriptCode) preimage: 01000000ef546acf4a020de3898d1b8956176bb507e6211b5ed3619cd08b6ea7e2a09d4100000000000000000000000000000000000000000000000000000000000000000815cf020f013ed6cf91d29f4202e8a58726b1ac6c79da47c23d1bee0a6925f8000000004721026dccc749adc2a9d0d89497ac511f760f45c47dc5ed9cf352a58ac706453880aeadab210255a9626aebf5e29c0e6538428ba0d1dcf6ca98ffdf086aa8ced5e0d0215ea465ac0011102401000000ffffffff00000000000000000000000000000000000000000000000000000000000000000000000003000000 sigHash: 82dde6e4f1e94d02c2b7ad03d2115d691f48d064e9d52f58194a6637e4194391 public key: 026dccc749adc2a9d0d89497ac511f760f45c47dc5ed9cf352a58ac706453880ae diff --git a/bip-0144.mediawiki b/bip-0144.mediawiki index a0e88c1..75d8a1b 100644 --- a/bip-0144.mediawiki +++ b/bip-0144.mediawiki @@ -6,7 +6,7 @@ Pieter Wuille <pieter.wuille@gmail.com> Comments-Summary: No comments yet. Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0144 - Status: Proposed + Status: Final Type: Standards Track Created: 2016-01-08 License: PD diff --git a/bip-0147.mediawiki b/bip-0147.mediawiki index 5a85a69..2d007c6 100644 --- a/bip-0147.mediawiki +++ b/bip-0147.mediawiki @@ -5,7 +5,7 @@ Author: Johnson Lau <jl2012@xbt.hk> Comments-Summary: No comments yet. Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0147 - Status: Proposed + Status: Final Type: Standards Track Created: 2016-09-02 License: PD diff --git a/bip-0157.mediawiki b/bip-0157.mediawiki new file mode 100644 index 0000000..4a47706 --- /dev/null +++ b/bip-0157.mediawiki @@ -0,0 +1,471 @@ +<pre> + BIP: 157 + Layer: Peer Services + Title: Client Side Block Filtering + Author: Olaoluwa Osuntokun <laolu32@gmail.com> + Alex Akselrod <alex@akselrod.org> + Jim Posen <jimpo@coinbase.com> + Comments-Summary: None yet + Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0157 + Status: Draft + Type: Standards Track + Created: 2017-05-24 + License: CC0-1.0 +</pre> + + +== Abstract == + +This BIP describes a new light client protocol in Bitcoin that improves upon +currently available options. The standard light client protocol in use today, +defined in BIP +37<ref>https://github.com/bitcoin/bips/blob/master/bip-0037.mediawiki</ref>, has +known flaws that weaken the security and privacy of clients and allow +denial-of-service attack vectors on full +nodes<ref>https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-May/012636.html</ref>. +The new protocol overcomes these issues by allowing light clients to obtain +compact probabilistic filters of block content from full nodes and download full +blocks if the filter matches relevant data. + +New P2P messages empower light clients to securely sync the blockchain without +relying on a trusted source. This BIP also defines a filter header, which serves +as a commitment to all filters for previous blocks and provides the ability to +efficiently detect malicious or faulty peers serving invalid filters. The +resulting protocol guarantees that light clients with at least one honest peer +are able to identify the correct block filters. + +== Motivation == + +Bitcoin light clients allow applications to read relevant transactions from the +blockchain without incurring the full cost of downloading and validating all +data. Such applications seek to simultaneously minimize the trust in peers and +the amount of bandwidth, storage space, and computation required. They achieve +this by downloading all block headers, verifying the proofs of work, and +following the longest proof-of-work chain. Since block headers are a fixed +80-bytes and are generated every 10 minutes on average, the bandwidth required +to sync the block headers is minimal. Light clients then download only the +blockchain data relevant to them directly from peers and validate inclusion in +the header chain. Though clients do not check the validity of all blocks in the +longest proof-of-work chain, they rely on miner incentives for security. + +BIP 37 is currently the most widely used light client execution mode for +Bitcoin. With BIP 37, a client sends a Bloom filter it wants to watch to a full +node peer, then receives notifications for each new transaction or block that +matches the filter. The client then requests relevant transactions from the peer +along with Merkle proofs of inclusion in the blocks containing them, which are +verified against the block headers. The Bloom filters match data such as client +addresses and unspent outputs, and the filter size must be carefully tuned to +balance the false positive rate with the amount of information leaked to peer. It +has been shown, however, that most implementations available offer virtually +''zero privacy'' to wallets and other +applications<ref>https://eprint.iacr.org/2014/763.pdf</ref><ref>https://jonasnick.github.io/blog/2015/02/12/privacy-in-bitcoinj/</ref>. +Additionally, malicious full nodes serving light clients can omit critical data +with little risk of detection, which is unacceptable for some applications +(such as Lightning Network clients) that must respond to certain on-chain +events. Finally, honest nodes servicing BIP 37 light clients may incur +significant I/O and CPU resource usage due to maliciously crafted Bloom filters, +creating a denial-of-service (DoS) vector and disincentizing node operators from +supporting the +protocol<ref>https://github.com/bitcoin/bips/blob/master/bip-0111.mediawiki</ref>. + +The alternative detailed in this document can be seen as the opposite of BIP 37: +instead of the client sending a filter to a full node peer, full nodes generate +deterministic filters on block data that are served to the client. A light +client can then download an entire block if the filter matches the data it is +watching for. Since filters are deterministic, they only need to be constructed +once and stored on disk, whenever a new block is connected to the chain. This +keeps the computation required to serve filters minimal, and eliminates the I/O +asymmetry that makes BIP 37 enabled nodes vulnerable. Clients also get better +assurance of seeing all relevant transactions because they can check the +validity of filters received from peers more easily than they can check +completeness of filtered blocks. Finally, client privacy is improved because +blocks can be downloaded from ''any source'', so that no one peer gets complete +information on the data required by a client. Extremely privacy conscious light +clients may opt to anonymously fetch blocks using advanced techniques such a +Private Information +Retrieval<ref>https://en.wikipedia.org/wiki/Private_information_retrieval</ref>. + +== Definitions == + +<code>[]byte</code> represents a vector of bytes. + +<code>[N]byte</code> represents a fixed-size byte array with length N. + +''CompactSize'' is a compact encoding of unsigned integers used in the Bitcoin +P2P protocol. + +''double-SHA256'' is a hash algorithm defined by two invocations of SHA-256: +<code>double-SHA256(x) = SHA256(SHA256(x))</code>. + +The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", +"SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be +interpreted as described in RFC 2119. + +== Specification == + +=== Filter Types === + +For the sake of future extensibility and reducing filter sizes, there are +multiple ''filter types'' that determine which data is included in a block +filter as well as the method of filter construction/querying. In this model, +full nodes generate one filter per block per filter type supported. + +Each type is identified by a one byte code, and specifies the contents and +serialization format of the filter. A full node MAY signal support for +particular filter types using service bits. The initial filter types are defined +separately in [[bip-0158.mediawiki|BIP 158]], and one service bit is allocated +to signal support for them. + +=== Filter Headers === + +This proposal draws inspiration from the headers-first mechanism that Bitcoin +nodes use to sync the block +chain<ref>https://bitcoin.org/en/developer-guide#headers-first</ref>. Similar to +how block headers have a Merkle commitment to all transaction data in the block, +we define filter headers that have commitments to the block filters. Also like +block headers, filter headers each have a commitment to the preceding one. +Before downloading the block filters themselves, a light client can download all +filter headers for the current block chain and use them to verify the +authenticity of the filters. If the filter header chains differ between multiple +peers, the client can identify the point where they diverge, then download the +full block and compute the correct filter, thus identifying which peer is +faulty. + +The canonical hash of a block filter is the double-SHA256 of the serialized +filter. Filter headers are 32-byte hashes derived for each block filter. They +are computed as the double-SHA256 of the concatenation of the filter hash with +the previous filter header. The previous filter header used to calculate that of +the genesis block is defined to be the 32-byte array of 0's. + +=== New Messages === + +==== getcfilters ==== +<code>getcfilters</code> is used to request the compact filters of a particular +type for a particular range of blocks. The message contains the following +fields: + +{| class="wikitable" +! Field Name +! Data Type +! Byte Size +! Description +|- +| FilterType +| byte +| 1 +| Filter type for which headers are requested +|- +| StartHeight +| uint32 +| 4 +| The height of the first block in the requested range +|- +| StopHash +| [32]byte +| 32 +| The hash of the last block in the requested range +|} + +# Nodes SHOULD NOT send <code>getcfilters</code> unless the peer has signaled support for this filter type. Nodes receiving <code>getcfilters</code> with an unsupported filter type SHOULD NOT respond. +# StopHash MUST be known to belong to a block accepted by the receiving peer. This is the case if the peer had previously sent a <code>headers</code> or <code>inv</code> message with that block or any descendents. A node that receives <code>getcfilters</code> with an unknown StopHash SHOULD NOT respond. +# The height of the block with hash StopHash MUST be greater than or equal to StartHeight, and the difference MUST be strictly less than 100. +# The receiving node MUST respond to valid requests by sending one <code>cfilter</code> message for each block in the requested range, sequentially in order by block height. + +==== cfilter ==== +<code>cfilter</code> is sent in response to <code>getcfilters</code>, one for +each block in the requested range. The message contains the following fields: + +{| class="wikitable" +! Field Name +! Data Type +! Byte Size +! Description +|- +| FilterType +| byte +| 1 +| Byte identifying the type of filter being returned +|- +| BlockHash +| [32]byte +| 32 +| Block hash of the Bitcoin block for which the filter is being returned +|- +| NumFilterBytes +| CompactSize +| 1-5 +| A variable length integer representing the size of the filter in the following field +|- +| FilterBytes +| []byte +| NumFilterBytes +| The serialized compact filter for this block +|} + +# The FilterType SHOULD match the field in the <code>getcfilters</code> request, and BlockHash must correspond to a block that is an ancestor of StopHash with height greater than or equal to StartHeight. + +==== getcfheaders ==== +<code>getcfheaders</code> is used to request verifiable filter headers for a +range of blocks. The message contains the following fields: + +{| class="wikitable" +! Field Name +! Data Type +! Byte Size +! Description +|- +| FilterType +| byte +| 1 +| Filter type for which headers are requested +|- +| StartHeight +| uint32 +| 4 +| The height of the first block in the requested range +|- +| StopHash +| [32]byte +| 32 +| The hash of the last block in the requested range +|} + +# Nodes SHOULD NOT send <code>getcfheaders</code> unless the peer has signaled support for this filter type. Nodes receiving <code>getcfheaders</code> with an unsupported filter type SHOULD NOT respond. +# StopHash MUST be known to belong to a block accepted by the receiving peer. This is the case if the peer had previously sent a <code>headers</code> or <code>inv</code> message with that block or any descendents. A node that receives <code>getcfheaders</code> with an unknown StopHash SHOULD NOT respond. +# The height of the block with hash StopHash MUST be greater than or equal to StartHeight, and the difference MUST be strictly less than 2,000. + +==== cfheaders ==== +<code>cfheaders</code> is sent in response to <code>getcfheaders</code>. Instead +of including the filter headers themselves, the response includes one filter +header and a sequence of filter hashes, from which the headers can be derived. +This has the benefit that the client can verify the binding links between the +headers. The message contains the following fields: + +{| class="wikitable" +! Field Name +! Data Type +! Byte Size +! Description +|- +| FilterType +| byte +| 1 +| Filter type for which hashes are requested +|- +| StopHash +| [32]byte +| 32 +| The hash of the last block in the requested range +|- +| PreviousFilterHeader +| [32]byte +| 32 +| The filter header preceding the first block in the requested range +|- +| FilterHashesLength +| CompactSize +| 1-3 +| The length of the following vector of filter hashes +|- +| FilterHashes +| [][32]byte +| FilterHashesLength * 32 +| The filter hashes for each block in the requested range +|} + +# The FilterType and StopHash SHOULD match the fields in the <code>getcfheaders</code> request. +# FilterHashesLength MUST NOT be greater than 2,000. +# FilterHashes MUST have one entry for each block on the chain terminating with tip StopHash, starting with the block at height StartHeight. The entries MUST be the filter hashes of the given type for each block in that range, in ascending order by height. +# PreviousFilterHeader MUST be set to the previous filter header of first block in the requested range. + +==== getcfcheckpt ==== +<code>getcfcheckpt</code> is used to request filter headers at evenly spaced +intervals over a range of blocks. Clients may use filter hashes from +<code>getcfheaders</code> to connect these checkpoints, as is described in the +[[#client-operation|Client Operation]] section below. The +<code>getcfcheckpt</code> message contains the following fields: + +{| class="wikitable" +! Field Name +! Data Type +! Byte Size +! Description +|- +| FilterType +| byte +| 1 +| Filter type for which headers are requested +|- +| StopHash +| [32]byte +| 32 +| The hash of the last block in the chain that headers are requested for +|} + +# Nodes SHOULD NOT send <code>getcfcheckpt</code> unless the peer has signaled support for this filter type. Nodes receiving <code>getcfcheckpt</code> with an unsupported filter type SHOULD NOT respond. +# StopHash MUST be known to belong to a block accepted by the receiving peer. This is the case if the peer had previously sent a <code>headers</code> or <code>inv</code> message with any descendent blocks. A node that receives <code>getcfcheckpt</code> with an unknown StopHash SHOULD NOT respond. + +==== cfcheckpt ==== +<code>cfcheckpt</code> is sent in response to <code>getcfcheckpt</code>. The +filter headers included are the set of all filter headers on the requested chain +where the height is a positive multiple of 1,000. The message contains the +following fields: + +{| class="wikitable" +! Field Name +! Data Type +! Byte Size +! Description +|- +| FilterType +| byte +| 1 +| Filter type for which headers are requested +|- +| StopHash +| [32]byte +| 32 +| The hash of the last block in the chain that headers are requested for +|- +| FilterHeadersLength +| CompactSize +| 1-3 +| The length of the following vector of filter headers +|- +| FilterHeaders +| [][32]byte +| FilterHeadersLength * 32 +| The filter headers at intervals of 1,000 +|} + +# The FilterType and StopHash SHOULD match the fields in the <code>getcfcheckpt</code> request. +# FilterHeaders MUST have exactly one entry for each block on the chain terminating in StopHash, where the block height is a multiple of 1,000 greater than 0. The entries MUST be the filter headers of the given type for each such block, in ascending order by height. + +=== Node Operation === + +Full nodes MAY opt to support this BIP and generate filters for any of the +specified filter types. Such nodes SHOULD treat the filters as an additional +index of the blockchain. For each new block that is connected to the main chain, +nodes SHOULD generate filters for all supported types and persist them. Nodes +that are missing filters and are already synced with the blockchain SHOULD +reindex the chain upon start-up, constructing filters for each block from +genesis to the current tip. They also SHOULD keep every checkpoint header in +memory, so that <code>getcfcheckpt</code> requests do not result in many +random-access disk reads. + +Nodes SHOULD NOT generate filters dynamically on request, as malicious peers may +be able to perform DoS attacks by requesting small filters derived from large +blocks. This would require an asymmetical amount of I/O on the node to compute +and serve, similar to attacks against BIP 37 enabled nodes noted in BIP 111. + +Nodes MAY prune block data after generating and storing all filters for a block. + +=== Client Operation === + +This section provides recommendations for light clients to download filters with +maximal security. + +Clients SHOULD first sync the entire block header chain from peers using the +standard headers-first syncing mechanism before downloading any block filters or +filter headers. Clients configured with trusted checkpoints MAY only sync +headers started from the last checkpoint. Clients SHOULD disconnect any outbound +peers whose best chain has significantly less work than the known longest +proof-of-work chain. + +Once a client's block headers are in sync, it SHOULD download and verify filter +headers for all blocks and filter types that it might later download. The client +SHOULD send <code>getcfheaders</code> messages to peers and derive and store the +filter headers for each block. The client MAY first fetch headers at evenly +spaced intervals of 1,000 by sending <code>getcfcheckpt</code>. The header +checkpoints allow the client to download filter headers for different intervals +from multiple peers in parallel, verifying each range of 1,000 headers against +the checkpoints. + +Unless securely connected to a trusted peer that is serving filter headers, the +client SHOULD connect to multiple outbound peers that support each filter type +to mitigate the risk of downloading incorrect headers. If the client receives +conflicting filter headers from different peers for any block and filter type, +it SHOULD interrogate them to determine which is faulty. The client SHOULD use +<code>getcfheaders</code> and/or <code>getcfcheckpt</code> to first identify +the first filter headers that the peers disagree on. The client then SHOULD +download the full block from any peer and derive the correct filter and filter +header. The client SHOULD ban any peers that sent a filter header that does not +match the computed one. + +Once the client has downloaded and verified all filter headers needed, ''and'' +no outbound peers have sent conflicting headers, the client can download the +actual block filters it needs. The client MAY backfill filter headers before the +first verified one at this point if it only downloaded them starting at a later +point. Clients SHOULD persist the verified filter headers for last 100 blocks in +the chain (or whatever finality depth is desired), to compare against headers +received from new peers after restart. They MAY store more filter headers to +avoid redownloading them if a rescan is later necessary. + +Starting from the first block in the desired range, the client now MAY download +the filters. The client SHOULD test that each filter links to its corresponding +filter header and ban peers that send incorrect filters. The client MAY download +multiple filters at once to increase throughput, though it SHOULD test the +filters sequentially. The client MAY check if a filter is empty before +requesting it by checking if the filter header commits to the hash of the empty +filter, saving a round trip if that is the case. + +Each time a new valid block header is received, the client SHOULD request the +corresponding filter headers from all eligible peers. If two peers send +conflicting filter headers, the client should interrogate them as described +above and ban any peers that send an invalid header. + +If a client is fetching full blocks from the P2P network, they SHOULD be downloaded +from outbound peers at random to mitigate privacy loss due to transaction +intersection analysis. Note that blocks may be downloaded from peers that do not +support this BIP. + +== Rationale == + +The filter headers and checkpoints messages are defined to help clients identify +the correct filter for a block when connected to peers sending conflicting +information. An alternative solution is to require Bitcoin blocks to include +commitments to derived block filters, so light clients can verify authenticity +given block headers and some additional witness data. This would require a +network-wide change to the Bitcoin consensus rules, however, whereas this +document proposes a solution purely at the P2P layer. + +The constant interval of 1,000 blocks between checkpoints was chosen so that, +given the current chain height and rate of growth, the size of a +<code>cfcheckpt</code> message is not drastically from a +<code>cfheaders</code> between two checkpoints. Also, 1,000 is a nice round +number, at least to those of us who think in decimal. + +== Compatibility == + +This light client mode is not compatible with current node deployments and +requires support for the new P2P messages. The node implementation of this +proposal is not incompatible with the current P2P network rules (ie. doesn't +affect network topology of full nodes). Light clients may adopt protocols based +on this as an alternative to the existing BIP 37. Adoption of this BIP may +result in reduced network support for BIP 37. + +== Acknowledgments == + +We would like to thank bfd (from the bitcoin-dev mailing list) for bringing the +basis of this BIP to our attention, Joseph Poon for suggesting the filter header +chain scheme, and Pedro Martelletto for writing the initial indexing code for +<code>btcd</code>. + +We would also like to thank Dave Collins, JJ Jeffrey, Eric Lombrozo, and Matt +Corallo for useful discussions. + +== Reference Implementation == + +Light client: [https://github.com/lightninglabs/neutrino] + +Full-node indexing: https://github.com/Roasbeef/btcd/tree/segwit-cbf + +Golomb-Rice Coded sets: https://github.com/Roasbeef/btcutil/tree/gcs/gcs + +== References == + +<references/> + +== Copyright == + +This document is licensed under the Creative Commons CC0 1.0 Universal license. diff --git a/bip-0158.mediawiki b/bip-0158.mediawiki new file mode 100644 index 0000000..2062c6e --- /dev/null +++ b/bip-0158.mediawiki @@ -0,0 +1,444 @@ +<pre> + BIP: 158 + Layer: Peer Services + Title: Compact Block Filters for Light Clients + Author: Olaoluwa Osuntokun <laolu32@gmail.com> + Alex Akselrod <alex@akselrod.org> + Comments-Summary: None yet + Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0158 + Status: Draft + Type: Standards Track + Created: 2017-05-24 + License: CC0-1.0 +</pre> + + +== Abstract == + +This BIP describes a structure for compact filters on block data, for use in the +BIP 157 light client protocol<ref>bip-0157.mediawiki</ref>. The filter +construction proposed is an alternative to Bloom filters, as used in BIP 37, +that minimizes filter size by using Golomb-Rice coding for compression. This +document specifies two initial types of filters based on this construction that +enables basic wallets and applications with more advanced smart contracts. + +== Motivation == + +[[bip-0157.mediawiki|BIP 157]] defines a light client protocol based on +deterministic filters of block content. The filters are designed to +minimize the expected bandwidth consumed by light clients, downloading filters +and full blocks. This document defines two initial filter types, ''basic'' and +''extended'', to provide support for advanced applications while reducing the +filter size for regular wallets. + +== Definitions == + +<code>[]byte</code> represents a vector of bytes. + +<code>[N]byte</code> represents a fixed-size byte array with length N. + +''CompactSize'' is a compact encoding of unsigned integers used in the Bitcoin +P2P protocol. + +''Data pushes'' are byte vectors pushed to the stack according to the rules of +Bitcoin script. + +''Bit streams'' are readable and writable streams of individual bits. The +following functions are used in the pseudocode in this document: +* <code>new_bit_stream</code> instantiates a new writable bit stream +* <code>new_bit_stream(vector)</code> instantiates a new bit stream reading data from <code>vector</code> +* <code>write_bit(stream, b)</code> appends the bit <code>b</code> to the end of the stream +* <code>read_bit(stream)</code> reads the next available bit from the stream +* <code>write_bits_big_endian(stream, n, k)</code> appends the <code>k</code> least significant bits of integer <code>n</code> to the end of the stream in big-endian bit order +* <code>read_bits_big_endian(stream, k)</code> reads the next available +* <code>k</code> bits from the stream and interprets them as the least significant bits of a big-endian integer + +The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", +"SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be +interpreted as described in RFC 2119. + +== Specification == + +=== Golomb-Coded Sets === + +For each block, compact filters are derived containing sets of items associated +with the block (eg. addresses sent to, outpoints spent, etc.). A set of such +data objects is compressed into a probabilistic structure called a +''Golomb-coded set'' (GCS), which matches all items in the set with probability +1, and matches other items with probability <code>1/M</code> for some +integer parameter <code>M</code>. The encoding is also parameterized by +<code>P</code>, the bit length of the remainder code. Each filter defined +specifies values for <code>P</code> and <code>M</code>. + +At a high level, a GCS is constructed from a set of <code>N</code> items by: +# hashing all items to 64-bit integers in the range <code>[0, N * M)</code> +# sorting the hashed values in ascending order +# computing the differences between each value and the previous one +# writing the differences sequentially, compressed with Golomb-Rice coding + +The following sections describe each step in greater detail. + +==== Hashing Data Objects ==== + +The first step in the filter construction is hashing the variable-sized raw +items in the set to the range <code>[0, F)</code>, where <code>F = N * +M</code>. Customarily, <code>M</code> is set to <code>2^P</code>. However, if +one is able to select both Parameters independently, then more optimal values +can be +selected<ref>https://gist.github.com/sipa/576d5f09c3b86c3b1b75598d799fc845</ref>. +Set membership queries against the hash outputs will have a false positive rate +of <code>M</code>. To avoid integer overflow, the number of items <code>N</code> +MUST be <2^32 and <code>M</code> MUST be <2^32. + +The items are first passed through the pseudorandom function ''SipHash'', which +takes a 128-bit key <code>k</code> and a variable-sized byte vector and produces +a uniformly random 64-bit output. Implementations of this BIP MUST use the +SipHash parameters <code>c = 2</code> and <code>d = 4</code>. + +The 64-bit SipHash outputs are then mapped uniformly over the desired range by +multiplying with F and taking the top 64 bits of the 128-bit result. This +algorithm is a faster alternative to modulo reduction, as it avoids the +expensive division +operation<ref>https://lemire.me/blog/2016/06/27/a-fast-alternative-to-the-modulo-reduction/</ref>. +Note that care must be taken when implementing this reduction to ensure the +upper 64 bits of the integer multiplication are not truncated; certain +architectures and high level languages may require code that decomposes the +64-bit multiplication into four 32-bit multiplications and recombines into the +result. + +<pre> +hash_to_range(item: []byte, F: uint64, k: [16]byte) -> uint64: + return (siphash(k, item) * F) >> 64 + +hashed_set_construct(raw_items: [][]byte, k: [16]byte, M: uint) -> []uint64: + let N = len(raw_items) + let F = N * M + + let set_items = [] + + for item in raw_items: + let set_value = hash_to_range(item, F, k) + set_items.append(set_value) + + return set_items +</pre> + +==== Golomb-Rice Coding ==== + +Instead of writing the items in the hashed set directly to the filter, greater +compression is achieved by only writing the differences between successive +items in sorted order. Since the items are distributed uniformly, it can be +shown that the differences resemble a geometric +distribution<ref>https://en.wikipedia.org/wiki/Geometric_distribution</ref>. +''Golomb-Rice'' +''coding''<ref>https://en.wikipedia.org/wiki/Golomb_coding#Rice_coding</ref> +is a technique that optimally compresses geometrically distributed values. + +With Golomb-Rice, a value is split into a quotient and remainder modulo +<code>2^P</code>, which are encoded separately. The quotient <code>q</code> is +encoded as ''unary'', with a string of <code>q</code> 1's followed by one 0. The +remainder <code>r</code> is represented in big-endian by P bits. For example, +this is a table of Golomb-Rice coded values using <code>P=2</code>: + +{| class="wikitable" +! n !! (q, r) !! c +|- +| 0 || (0, 0) || <code>0 00</code> +|- +| 1 || (0, 1) || <code>0 01</code> +|- +| 2 || (0, 2) || <code>0 10</code> +|- +| 3 || (0, 3) || <code>0 11</code> +|- +| 4 || (1, 0) || <code>10 00</code> +|- +| 5 || (1, 1) || <code>10 01</code> +|- +| 6 || (1, 2) || <code>10 10</code> +|- +| 7 || (1, 3) || <code>10 11</code> +|- +| 8 || (2, 0) || <code>110 00</code> +|- +| 9 || (2, 1) || <code>110 01</code> +|} + +<pre> +golomb_encode(stream, x: uint64, P: uint): + let q = x >> P + + while q > 0: + write_bit(stream, 1) + q-- + write_bit(stream, 0) + + write_bits_big_endian(stream, x, P) + +golomb_decode(stream, P: uint) -> uint64: + let q = 0 + while read_bit(stream) == 1: + q++ + + let r = read_bits_big_endian(stream, P) + + let x = (q << P) + r + return x +</pre> + +==== Set Construction ==== + +A GCS is constructed from four parameters: +* <code>L</code>, a vector of <code>N</code> raw items +* <code>P</code>, the bit parameter of the Golomb-Rice coding +* <code>M</code>, the target false positive rate +* <code>k</code>, the 128-bit key used to randomize the SipHash outputs + +The result is a byte vector with a minimum size of <code>N * (P + 1)</code> +bits. + +The raw items in <code>L</code> are first hashed to 64-bit unsigned integers as +specified above and sorted. The differences between consecutive values, +hereafter referred to as ''deltas'', are encoded sequentially to a bit stream +with Golomb-Rice coding. Finally, the bit stream is padded with 0's to the +nearest byte boundary and serialized to the output byte vector. + +<pre> +construct_gcs(L: [][]byte, P: uint, k: [16]byte, M: uint) -> []byte: + let set_items = hashed_set_construct(L, k, M) + + set_items.sort() + + let output_stream = new_bit_stream() + + let last_value = 0 + for item in set_items: + let delta = item - last_value + golomb_encode(output_stream, delta, P) + last_value = item + + return output_stream.bytes() +</pre> + +==== Set Querying/Decompression ==== + +To check membership of an item in a compressed GCS, one must reconstruct the +hashed set members from the encoded deltas. The procedure to do so is the +reverse of the compression: deltas are decoded one by one and added to a +cumulative sum. Each intermediate sum represents a hashed value in the original +set. The queried item is hashed in the same way as the set members and compared +against the reconstructed values. Note that querying does not require the entire +decompressed set be held in memory at once. + +<pre> +gcs_match(key: [16]byte, compressed_set: []byte, target: []byte, P: uint, N: uint, M: uint) -> bool: + let F = N * M + let target_hash = hash_to_range(target, F, k) + + stream = new_bit_stream(compressed_set) + + let last_value = 0 + + loop N times: + let delta = golomb_decode(stream, P) + let set_item = last_value + delta + + if set_item == target_hash: + return true + + // Since the values in the set are sorted, terminate the search once + // the decoded value exceeds the target. + if set_item > target_hash: + break + + last_value = set_item + + return false +</pre> + +Some applications may need to check for set intersection instead of membership +of a single item. This can be performed far more efficiently than checking each +item individually by leveraging the sorted structure of the compressed GCS. +First the query elements are all hashed and sorted, then compared in order +against the decompressed GCS contents. See +[[#golomb-coded-set-multi-match|Appendix B]] for pseudocode. + +=== Block Filters === + +This BIP defines one initial filter type: +* Basic (<code>0x00</code>) + * <code>M = 784931</code> + * <code>P = 19</code> + +==== Contents ==== + +The basic filter is designed to contain everything that a light client needs to +sync a regular Bitcoin wallet. A basic filter MUST contain exactly the +following items for each transaction in a block: +* The previous output script (the script being spent) for each input, except + for the coinbase transaction. +* The scriptPubKey of each output, aside from all <code>OP_RETURN</code> output + scripts. + +Any "nil" items MUST NOT be included into the final set of filter elements. + +We exclude all <code>OP_RETURN</code> outputs in order to allow filters to +easily be committed to in the future via a soft-fork. A likely area for future +commitments is an additional <code>OP_RETURN</code> output in the coinbase +transaction similar to the current witness commitment +<ref>https://github.com/bitcoin/bips/blob/master/bip-0141.mediawiki</rev>. By +excluding all <code>OP_RETURN</code> outputs we avoid a circular dependency +between the commitment, and the item being committed to. + +==== Construction ==== + +The basic type is constructed as Golomb-coded sets with the following +parameters. + +The parameter <code>P</code> MUST be set to <code>19</code>, and the parameter +<code>M</code> MUST be set to <code>784931</code>. Analysis has shown that if +one is able to select <code>P</code> and <code>M</code> independently, then +setting <code>M=1.497137 * 2^P</code> is close to optimal +<ref>https://gist.github.com/sipa/576d5f09c3b86c3b1b75598d799fc845</ref>. + +Empirical analysis also shows that was chosen as these parameters minimize the +bandwidth utilized, considering both the expected number of blocks downloaded +due to false positives and the size of the filters themselves. + +The parameter <code>k</code> MUST be set to the first 16 bytes of the hash of +the block for which the filter is constructed. This ensures the key is +deterministic while still varying from block to block. + +Since the value <code>N</code> is required to decode a GCS, a serialized GCS +includes it as a prefix, written as a <code>CompactSize</code>. Thus, the +complete serialization of a filter is: +* <code>N</code>, encoded as a <code>CompactSize</code> +* The bytes of the compressed filter itself + +==== Signaling ==== + +This BIP allocates a new service bit: + +{| class="wikitable" +|- +| NODE_COMPACT_FILTERS +| style="white-space: nowrap;" | <code>1 << 6</code> +| If enabled, the node MUST respond to all BIP 157 messages for filter types <code>0x00</code> and <code>0x01</code> +|} + +== Compatibility == + +This block filter construction is not incompatible with existing software, +though it requires implementation of the new filters. + +== Acknowledgments == + +We would like to thank bfd (from the bitcoin-dev mailing list) for bringing the +basis of this BIP to our attention, Greg Maxwell for pointing us in the +direction of Golomb-Rice coding and fast range optimization, Pieter Wullie for +his analysis of optimal GCS parameters, and Pedro +Martelletto for writing the initial indexing code for <code>btcd</code>. + +We would also like to thank Dave Collins, JJ Jeffrey, and Eric Lombrozo for +useful discussions. + +== Reference Implementation == + +Light client: [https://github.com/lightninglabs/neutrino] + +Full-node indexing: https://github.com/Roasbeef/btcd/tree/segwit-cbf + +Golomb-Rice Coded sets: https://github.com/Roasbeef/btcutil/tree/gcs/gcs + +== Appendix A: Alternatives == + +A number of alternative set encodings were considered before Golomb-coded +sets were settled upon. In this appendix section, we'll list a few of the +alternatives along with our rationale for not pursuing them. + +==== Bloom Filters ==== + +Bloom Filters are perhaps the best known probabilistic data structure for +testing set membership, and were introduced into the Bitcoin protocol with BIP +37. The size of a Bloom filter is larger than the expected size of a GCS with +the same false positive rate, which is the main reason the option was rejected. + +==== Cryptographic Accumulators ==== + +Cryptographic +accumulators<ref>https://en.wikipedia.org/wiki/Accumulator_(cryptography)</ref> +are a cryptographic data structures that enable (amongst other operations) a one +way membership test. One advantage of accumulators are that they are constant +size, independent of the number of elements inserted into the accumulator. +However, current constructions of cryptographic accumulators require an initial +trusted set up. Additionally, accumulators based on the Strong-RSA Assumption +require mapping set items to prime representatives in the associated group which +can be preemptively expensive. + +==== Matrix Based Probabilistic Set Data Structures ==== + +There exist data structures based on matrix solving which are even more space +efficient compared to Bloom +filters<ref>https://arxiv.org/pdf/0804.1845.pdf</ref>. We instead opted for our +GCS-based filters as they have a much lower implementation complexity and are +easier to understand. + +== Appendix B: Pseudocode == + +=== Golomb-Coded Set Multi-Match === + +<pre> +gcs_match_any(key: [16]byte, compressed_set: []byte, targets: [][]byte, P: uint, N: uint, M: uint) -> bool: + let F = N * M + + // Map targets to the same range as the set hashes. + let target_hashes = [] + for target in targets: + let target_hash = hash_to_range(target, F, k) + target_hashes.append(target_hash) + + // Sort targets so matching can be checked in linear time. + target_hashes.sort() + + stream = new_bit_stream(compressed_set) + + let value = 0 + let target_idx = 0 + let target_val = target_hashes[target_idx] + + loop N times: + let delta = golomb_decode(stream, P) + value += delta + + inner loop: + if target_val == value: + return true + + // Move on to the next set value. + else if target_val > value: + break inner loop + + // Move on to the next target value. + else if target_val < value: + target_idx++ + + // If there are no targets left, then there are no matches. + if target_idx == len(targets): + break outer loop + + target_val = target_hashes[target_idx] + + return false +</pre> + +== Appendix C: Test Vectors == + +Test vectors for a P value of 20 on five testnet blocks, including the filters and filter headers, can be found [[bip-0158/testnet-20.csv|here]]. The code to generate these vectors for P values of 1 through 32 can be found [[bip-0158/gentestvectors.go|here]]. + +== References == + +<references/> + +== Copyright == + +This document is licensed under the Creative Commons CC0 1.0 Universal lisence. diff --git a/bip-0158/gentestvectors.go b/bip-0158/gentestvectors.go new file mode 100644 index 0000000..472f8c1 --- /dev/null +++ b/bip-0158/gentestvectors.go @@ -0,0 +1,297 @@ +// This program connects to your local btcd and generates test vectors for +// 5 blocks and collision space sizes of 1-32 bits. Change the RPC cert path +// and credentials to run on your system. The program assumes you're running +// a btcd with cfilter support, which mainline btcd doesn't have; in order to +// circumvent this assumption, comment out the if block that checks for +// filter size of DefaultP. + +package main + +import ( + "bytes" + "encoding/hex" + "encoding/json" + "fmt" + "io" + "io/ioutil" + "os" + "path/filepath" + + "github.com/btcsuite/btcd/blockchain" + "github.com/btcsuite/btcd/chaincfg/chainhash" + "github.com/btcsuite/btcd/rpcclient" + "github.com/btcsuite/btcd/wire" + "github.com/btcsuite/btcutil" + "github.com/btcsuite/btcutil/gcs/builder" + "github.com/davecgh/go-spew/spew" +) + +var ( + // testBlockHeights are the heights of the blocks to include in the test + // vectors. Any new entries must be added in sorted order. + testBlockHeights = []testBlockCase{ + {0, "Genesis block"}, + {2, ""}, + {3, ""}, + {926485, "Duplicate pushdata 913bcc2be49cb534c20474c4dee1e9c4c317e7eb"}, + {987876, "Coinbase tx has unparseable output script"}, + {1263442, "Includes witness data"}, + } + + defaultBtcdDir = btcutil.AppDataDir("btcd", false) + defaultBtcdRPCCertFile = filepath.Join(defaultBtcdDir, "rpc.cert") +) + +const ( + fp = 19 +) + +type testBlockCase struct { + height uint32 + comment string +} + +type JSONTestWriter struct { + writer io.Writer + firstRowWritten bool +} + +func NewJSONTestWriter(writer io.Writer) *JSONTestWriter { + return &JSONTestWriter{writer: writer} +} + +func (w *JSONTestWriter) WriteComment(comment string) error { + return w.WriteTestCase([]interface{}{comment}) +} + +func (w *JSONTestWriter) WriteTestCase(row []interface{}) error { + var err error + if w.firstRowWritten { + _, err = io.WriteString(w.writer, ",\n") + } else { + _, err = io.WriteString(w.writer, "[\n") + w.firstRowWritten = true + } + if err != nil { + return err + } + + rowBytes, err := json.Marshal(row) + if err != nil { + return err + } + + _, err = w.writer.Write(rowBytes) + return err +} + +func (w *JSONTestWriter) Close() error { + if !w.firstRowWritten { + return nil + } + + _, err := io.WriteString(w.writer, "\n]\n") + return err +} + +func fetchPrevOutputScripts(client *rpcclient.Client, block *wire.MsgBlock) ([][]byte, error) { + var prevScripts [][]byte + + txCache := make(map[chainhash.Hash]*wire.MsgTx) + for _, tx := range block.Transactions { + if blockchain.IsCoinBaseTx(tx) { + continue + } + + for _, txIn := range tx.TxIn { + prevOp := txIn.PreviousOutPoint + + tx, ok := txCache[prevOp.Hash] + if !ok { + originTx, err := client.GetRawTransaction( + &prevOp.Hash, + ) + if err != nil { + return nil, fmt.Errorf("unable to get "+ + "txid=%v: %v", prevOp.Hash, err) + } + + txCache[prevOp.Hash] = originTx.MsgTx() + + tx = originTx.MsgTx() + } + + index := prevOp.Index + + prevScripts = append( + prevScripts, tx.TxOut[index].PkScript, + ) + } + } + + return prevScripts, nil +} + +func main() { + var ( + writerFile *JSONTestWriter + prevBasicHeader chainhash.Hash + ) + fName := fmt.Sprintf("testnet-%02d.json", fp) + file, err := os.Create(fName) + if err != nil { + fmt.Println("Error creating output file: ", err.Error()) + return + } + defer file.Close() + + writer := &JSONTestWriter{ + writer: file, + } + defer writer.Close() + + err = writer.WriteComment("Block Height,Block Hash,Block," + + "[Prev Output Scripts for Block],Previous Basic Header," + + "Basic Filter,Basic Header,Notes") + if err != nil { + fmt.Println("Error writing to output file: ", err.Error()) + return + } + + writerFile = writer + + cert, err := ioutil.ReadFile(defaultBtcdRPCCertFile) + if err != nil { + fmt.Println("Couldn't read RPC cert: ", err.Error()) + return + } + + conf := rpcclient.ConnConfig{ + Host: "127.0.0.1:18334", + Endpoint: "ws", + User: "kek", + Pass: "kek", + Certificates: cert, + } + client, err := rpcclient.New(&conf, nil) + if err != nil { + fmt.Println("Couldn't create a new client: ", err.Error()) + return + } + + var testBlockIndex int + for height := 0; testBlockIndex < len(testBlockHeights); height++ { + blockHash, err := client.GetBlockHash(int64(height)) + if err != nil { + fmt.Println("Couldn't get block hash: ", err.Error()) + return + } + + block, err := client.GetBlock(blockHash) + if err != nil { + fmt.Println("Couldn't get block hash: ", err.Error()) + return + } + + var blockBuf bytes.Buffer + err = block.Serialize(&blockBuf) + if err != nil { + fmt.Println("Error serializing block to buffer: ", err.Error()) + return + } + blockBytes := blockBuf.Bytes() + + prevOutputScripts, err := fetchPrevOutputScripts(client, block) + if err != nil { + fmt.Println("Couldn't fetch prev output scipts: ", err) + return + } + + basicFilter, err := builder.BuildBasicFilter(block, prevOutputScripts) + if err != nil { + fmt.Println("Error generating basic filter: ", err.Error()) + return + } + basicHeader, err := builder.MakeHeaderForFilter(basicFilter, prevBasicHeader) + if err != nil { + fmt.Println("Error generating header for filter: ", err.Error()) + return + } + + // We'll now ensure that we've constructed the same filter as + // the chain server we're fetching blocks form. + filter, err := client.GetCFilter( + blockHash, wire.GCSFilterRegular, + ) + if err != nil { + fmt.Println("Error getting basic filter: ", + err.Error()) + return + } + + nBytes, err := basicFilter.NBytes() + if err != nil { + fmt.Println("Couldn't get NBytes(): ", err) + return + } + if !bytes.Equal(filter.Data, nBytes) { + // Don't error on empty filters + fmt.Printf("basic filter doesn't match: generated "+ + "%x, rpc returns %x, block %v", nBytes, + filter.Data, spew.Sdump(block)) + return + } + + header, err := client.GetCFilterHeader( + blockHash, wire.GCSFilterRegular, + ) + if err != nil { + fmt.Println("Error getting basic header: ", err.Error()) + return + } + if !bytes.Equal(header.PrevFilterHeader[:], basicHeader[:]) { + fmt.Println("Basic header doesn't match!") + return + } + + if height%1000 == 0 { + fmt.Printf("Verified height %v against server\n", height) + } + + if uint32(height) == testBlockHeights[testBlockIndex].height { + var bfBytes []byte + bfBytes, err = basicFilter.NBytes() + if err != nil { + fmt.Println("Couldn't get NBytes(): ", err) + return + } + + prevScriptStrings := make([]string, len(prevOutputScripts)) + for i, prevScript := range prevOutputScripts { + prevScriptStrings[i] = hex.EncodeToString(prevScript) + } + + row := []interface{}{ + height, + blockHash.String(), + hex.EncodeToString(blockBytes), + prevScriptStrings, + prevBasicHeader.String(), + hex.EncodeToString(bfBytes), + basicHeader.String(), + testBlockHeights[testBlockIndex].comment, + } + err = writerFile.WriteTestCase(row) + if err != nil { + fmt.Println("Error writing test case to output: ", err.Error()) + return + } + } + + prevBasicHeader = basicHeader + + if uint32(height) == testBlockHeights[testBlockIndex].height { + testBlockIndex++ + } + } +} diff --git a/bip-0158/testnet-19.json b/bip-0158/testnet-19.json new file mode 100644 index 0000000..2f00728 --- /dev/null +++ b/bip-0158/testnet-19.json @@ -0,0 +1,9 @@ +[ +["Block Height,Block Hash,Block,[Prev Output Scripts for Block],Previous Basic Header,Basic Filter,Basic Header,Notes"], +[0,"000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943","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",[],"0000000000000000000000000000000000000000000000000000000000000000","019dfca8","21584579b7eb08997773e5aeff3a7f932700042d0ed2a6129012b7d7ae81b750","Genesis block"], +[2,"000000006c02c8ea6e4ff69651f7fcde348fb9d557a06e6957b65552002a7820","0100000006128e87be8b1b4dea47a7247d5528d2702c96826c7a648497e773b800000000e241352e3bec0a95a6217e10c3abb54adfa05abb12c126695595580fb92e222032e7494dffff001d00d235340101000000010000000000000000000000000000000000000000000000000000000000000000ffffffff0e0432e7494d010e062f503253482fffffffff0100f2052a010000002321038a7f6ef1c8ca0c588aa53fa860128077c9e6c11e6830f4d7ee4e763a56b7718fac00000000",[],"d7bdac13a59d745b1add0d2ce852f1a0442e8945fc1bf3848d3cbffd88c24fe1","0174a170","186afd11ef2b5e7e3504f2e8cbf8df28a1fd251fe53d60dff8b1467d1b386cf0",""], +[3,"000000008b896e272758da5297bcd98fdc6d97c9b765ecec401e286dc1fdbe10","0100000020782a005255b657696ea057d5b98f34defcf75196f64f6eeac8026c0000000041ba5afc532aae03151b8aa87b65e1594f97504a768e010c98c0add79216247186e7494dffff001d058dc2b60101000000010000000000000000000000000000000000000000000000000000000000000000ffffffff0e0486e7494d0151062f503253482fffffffff0100f2052a01000000232103f6d9ff4c12959445ca5549c811683bf9c88e637b222dd2e0311154c4c85cf423ac00000000",[],"186afd11ef2b5e7e3504f2e8cbf8df28a1fd251fe53d60dff8b1467d1b386cf0","016cf7a0","8d63aadf5ab7257cb6d2316a57b16f517bff1c6388f124ec4c04af1212729d2a",""], +[926485,"000000000000015d6077a411a8f5cc95caf775ccf11c54e27df75ce58d187313","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",["a914feb8a29635c56d9cd913122f90678756bf23887687","76a914c01a7ca16b47be50cbdbc60724f701d52d75156688ac","76a914913bcc2be49cb534c20474c4dee1e9c4c317e7eb88ac","76a914913bcc2be49cb534c20474c4dee1e9c4c317e7eb88ac","76a914913bcc2be49cb534c20474c4dee1e9c4c317e7eb88ac","76a914913bcc2be49cb534c20474c4dee1e9c4c317e7eb88ac","76a914913bcc2be49cb534c20474c4dee1e9c4c317e7eb88ac","76a914913bcc2be49cb534c20474c4dee1e9c4c317e7eb88ac"],"da49977ba1ee0d620a2c4f8f646b03cd0d230f5c6c994722e3ba884889f0be1a","09027acea61b6cc3fb33f5d52f7d088a6b2f75d234e89ca800","4cd9dd007a325199102f1fc0b7d77ca25ee3c84d46018c4353ecfcb56c0d3e7a","Duplicate pushdata 913bcc2be49cb534c20474c4dee1e9c4c317e7eb"], +[987876,"0000000000000c00901f2049055e2a437c819d79a3d54fd63e6af796cd7b8a79","000000202694f74969fdb542090e95a56bc8aa2d646e27033850e32f1c5f000000000000f7e53676b3f12d5beb524ed617f2d25f5a93b5f4f52c1ba2678260d72712f8dd0a6dfe5740257e1a4b1768960101000000010000000000000000000000000000000000000000000000000000000000000000ffffffff1603e4120ff9c30a1c216900002f424d4920546573742fffffff0001205fa012000000001e76a914c486de584a735ec2f22da7cd9681614681f92173d83d0aa68688ac00000000",[],"e9d729b72d533c29abe5276d5cf6c152f3723f10efe000b1e0c9ca5265a8beb6","010c0b40","e6137ae5a8424c40da1e5023c16975cc97b09300b4c050e6b1c713add3836c40","Coinbase tx has unparseable output script"], +[1263442,"000000006f27ddfe1dd680044a34548f41bed47eba9e6f0b310da21423bc5f33","000000201c8d1a529c39a396db2db234d5ec152fa651a2872966daccbde028b400000000083f14492679151dbfaa1a825ef4c18518e780c1f91044180280a7d33f4a98ff5f45765aaddc001d38333b9a02010000000001010000000000000000000000000000000000000000000000000000000000000000ffffffff230352471300fe5f45765afe94690a000963676d696e6572343208000000000000000000ffffffff024423a804000000001976a914f2c25ac3d59f3d674b1d1d0a25c27339aaac0ba688ac0000000000000000266a24aa21a9edcb26cb3052426b9ebb4d19c819ef87c19677bbf3a7c46ef0855bd1b2abe83491012000000000000000000000000000000000000000000000000000000000000000000000000002000000000101d20978463906ba4ff5e7192494b88dd5eb0de85d900ab253af909106faa22cc5010000000004000000014777ff000000000016001446c29eabe8208a33aa1023c741fa79aa92e881ff0347304402207d7ca96134f2bcfdd6b536536fdd39ad17793632016936f777ebb32c22943fda02206014d2fb8a6aa58279797f861042ba604ebd2f8f61e5bddbd9d3be5a245047b201004b632103eeaeba7ce5dc2470221e9517fb498e8d6bd4e73b85b8be655196972eb9ccd5566754b2752103a40b74d43df244799d041f32ce1ad515a6cd99501701540e38750d883ae21d3a68ac00000000",["002027a5000c7917f785d8fc6e5a55adfca8717ecb973ebb7743849ff956d896a7ed"],"a4a4d6c6034da8aa06f01fe71f1fffbd79e032006b07f6c7a2c60a66aa310c01","0385acb4f0fe889ef0","3588f34fbbc11640f9ed40b2a66a4e096215d50389691309c1dac74d4268aa81","Includes witness data"] +] diff --git a/bip-0173.mediawiki b/bip-0173.mediawiki index 95846fb..b320b9d 100644 --- a/bip-0173.mediawiki +++ b/bip-0173.mediawiki @@ -6,7 +6,7 @@ Greg Maxwell <greg@xiph.org> Comments-Summary: No comments yet. Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0173 - Status: Draft + Status: Final Type: Informational Created: 2017-03-20 License: BSD-2-Clause @@ -262,6 +262,12 @@ P2PKH addresses can be used. * Fancy decoder that localizes errors: ** [https://github.com/sipa/bech32/tree/master/ecc/javascript For JavaScript] ([http://bitcoin.sipa.be/bech32/demo/demo.html demo website]) +==Registered Human-readable Prefixes== + +SatoshiLabs maintains a full list of registered human-readable parts for other cryptocurrencies: + +[https://github.com/satoshilabs/slips/blob/master/slip-0173.md SLIP-0173 : Registered human-readable parts for BIP-0173] + ==Appendices== ===Test vectors=== diff --git a/bip-0174.mediawiki b/bip-0174.mediawiki index 459dff7..c2dca1d 100644 --- a/bip-0174.mediawiki +++ b/bip-0174.mediawiki @@ -5,7 +5,7 @@ Author: Andrew Chow <achow101@gmail.com> Comments-Summary: No comments yet. Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0174 - Status: Draft + Status: Proposed Type: Standards Track Created: 2017-07-12 License: BSD-2-Clause @@ -43,7 +43,7 @@ risk of being defrauded. ==Specification== The Partially Signed Bitcoin Transaction (PSBT) format consists of key-value maps. -Each key-value pair must be unique within its scope; duplicates are not allowed. +Each key-value pair must have a unique key within its scope; duplicates are not allowed. Each map consists of a sequence of records, terminated by a <tt>0x00</tt> byte <ref>'''Why is the separator here <tt>0x00</tt> instead of <tt>0xff</tt>?''' The separator here is used to distinguish between each chunk of data. A separator of 0x00 would mean that @@ -106,183 +106,101 @@ The format of each key-value map is as follows: | Must be <tt>0x00</tt>. |} -The first byte of each key specifies the type of the key-value pair. Some types are -for global fields and other fields are for each input. The only required type in a -PSBT is the transaction type, as defined below. The currently defined global types are as follows: +The first byte of each key specifies the type of the key-value pair. There are global types, +per-input types, and per-output types. -{| class="wikitable" style="width: auto; text-align: center; font-size: smaller; -table-layout: fixed;" -!Number -!Name -!Key Data -!Value Data -!Format Example -|- -| <tt>0x00</tt> -| Transaction -| None. The key must only contain the 1 byte type. -| The transaction in network serialization. The scriptSigs and -witnesses for each input must be empty unless the input is complete. The transaction -must be in the witness serialization format as defined in BIP 144. A PSBT must have -a transaction, otherwise it is invalid. -| Key: -<pre> -{0x00} -</pre> -Value: -<pre> -{transaction} -</pre> -|- -| <tt>0x01</tt> -| Redeem Script<ref>'''Why are redeem scripts and witness scripts global''' Redeem - scripts and witness scripts are global data to avoid duplication. Instead of specifying - a redeems script and witness script multiple times in inputs that need those scripts, - they are specified once in the global data.</ref> -| The hash160 of the redeem script -| A redeem script that will be needed to sign a Pay-To-Script-Hash input or is spent -to by an output.<ref>'''Why are outputs' redeem scripts and witness scripts included?''' -Redeem scripts and witness scripts spent to by an output in this transaction are included -so that the user can verify that the transaction they are signing is creating the correct -outputs that have the correct redeem and witness scripts. This is best used when the -PSBT creator is not trusted by the signers.</ref> -| Key: -<pre> -{0x01}|{hash160} -</pre> -Value: -<pre> -{redeem script} -</pre> -|- -| <tt>0x02</tt> -| Witness Script -| The sha256 hash of the witness script -| A witness script that will be needed to sign a Pay-To-Witness-Script-Hash input or is spent -to by an output. -| Key: -<pre> -{0x02}|{sha256} -</pre> -Value: -<pre> -{witness script} -</pre> -|- -| <tt>0x03</tt> -| BIP 32 Derivation path, public key, and Master Key fingerprint -| The public key -| The master key fingerprint concatenated with the derivation path of the public key. The -derivation path is represented as 32 bit unsigned integer indexes concatenated -with each other. This must omit the index of the master key. -| Key: -<pre> -{0x03}|{public key} -</pre> -Value: -<pre> -{master key fingerprint}|{32-bit int}|...|{32-bit int} -</pre> -|- -| <tt>0x04</tt> -| Number of inputs -| None. The key must only contain the 1 byte type. -| A compact size unsigned integer representing the number of inputs that this transaction has -| Key: -<pre> -{0x04} -</pre> -Value: -<pre> -{number of inputs} -</pre> -|} +The currently defined global types are as follows: + +* Type: Unsigned Transaction <tt>PSBT_GLOBAL_UNSIGNED_TX = 0x00</tt> +** Key: None. The key must only contain the 1 byte type. +*** <tt>{0x00}</tt> +** Value: The transaction in network serialization. The scriptSigs and witnesses for each input must be empty. The transaction must be in the old serialization format (without witnesses). A PSBT must have a transaction, otherwise it is invalid. +*** <tt>{transaction}</tt> +** Note: Every PSBT must have a field with this type. The currently defined per-input types are defined as follows: -{| class="wikitable" style="width: auto; text-align: center; font-size: smaller; -table-layout: fixed;" -!Number -!Name -!Key Data -!Value Data -!Format Example -|- -| <tt>0x00</tt> -| Non-Witness UTXO -| None. The key must only contain the 1 byte type. -| The transaction in network serialization format the current input spends from. -| Key: -<pre> -{0x00} -</pre> -Value: -<pre> -{transaction} -</pre> -|- -| <tt>0x01</tt> -| Witness UTXO -| None. The key must only contain the 1 byte type. -| The entire transaction output in network serialization which the current input spends from. -| Key: -<pre> -{0x01} -</pre> -Value: -<pre> -{serialized transaction output({output value}|<scriptPubKey>)} -</pre> -|- -| <tt>0x02</tt> -| Partial Signature -| The public key which corresponds to this signature. -| The signature as would be pushed to the stack from a scriptSig or witness. -| Key: -<pre> -{0x02}|{public key} -</pre> -Value: -<pre> -{signature} -</pre> -|- -| <tt>0x03</tt> -| Sighash Type -| None. The key must only contain the 1 byte type. -| The 32-bit unsigned integer recommending a sighash type to be used for this input. -The sighash type is only a recommendation and the signer does not need to use -the sighash type specified. -| Key: -<pre> -{0x03} -</pre> -Value: -<pre> -{sighash type} -</pre> -|- -| <tt>0x04</tt> -| Input index -| None. The key must only contain the 1 byte type. -| A compact size unsigned integer representing the index of this input. This field -is optional to allow for completed inputs to be skipped without needing a separator byte. -If one input has this type, then all inputs must have it. -| Key: -<pre> -{0x04} -</pre> -Value: -<pre> -{input index} -</pre> -|} +* Type: Non-Witness UTXO <tt>PSBT_IN_NON_WITNESS_UTXO = 0x00</tt> +** Key: None. The key must only contain the 1 byte type. +***<tt>{0x00}</tt> +** Value: The transaction in network serialization format the current input spends from. This should only be present for inputs which spend non-segwit outputs. However, if it is unknown whether an input spends a segwit output, this type should be used. +*** <tt>{transaction}</tt> + +* Type: Witness UTXO <tt>PSBT_IN_WITNESS_UTXO = 0x01</tt> +** Key: None. The key must only contain the 1 byte type. +*** <tt>{0x01}</tt> +** Value: The entire transaction output in network serialization which the current input spends from. This should only be present for inputs which spend segwit outputs, including P2SH embedded ones. +*** <tt>{serialized transaction output({output value}|<scriptPubKey>)}</tt> + +* Type: Partial Signature <tt>PSBT_IN_PARTIAL_SIG = 0x02</tt> +** Key: The public key which corresponds to this signature. +*** <tt>{0x02}|{public key}</tt> +** Value: The signature as would be pushed to the stack from a scriptSig or witness. +*** <tt>{signature}</tt> + +* Type: Sighash Type <tt>PSBT_IN_SIGHASH_TYPE = 0x03</tt> +** Key: None. The key must only contain the 1 byte type. +*** <tt>{0x03}</tt> +** Value: The 32-bit unsigned integer specifying the sighash type to be used for this input. Signatures for this input must use the sighash type, finalizers must fail to finalize inputs which have signatures that do not match the specified sighash type. Signers who cannot produce signatures with the sighash type must not provide a signature. +*** <tt>{sighash type}</tt> + +* Type: Redeem Script <tt>PSBT_IN_REDEEM_SCRIPT = 0x04</tt> +** Key: None. The key must only contain the 1 byte type. +*** <tt>{0x04}</tt> +** Value: The redeemScript for this input if it has one. +*** <tt>{redeemScript}</tt> + +* Type: Witness Script <tt>PSBT_IN_WITNESS_SCRIPT = 0x05</tt> +** Key: None. The key must only contain the 1 byte type. +*** <tt>{0x05}</tt> +** Value: The witnessScript for this input if it has one. +*** <tt>{witnessScript}</tt> + +* Type: BIP 32 Derivation Path <tt>PSBT_IN_BIP32_DERIVATION = 0x06</tt> +** Key: The public key +*** <tt>{0x06}|{public key}</tt> +** Value: The master key fingerprint as defined by BIP 32 concatenated with the derivation path of the public key. The derivation path is represented as 32 bit unsigned integer indexes concatenated with each other. Public keys are those that will be needed to sign this input. +*** <tt>{master key fingerprint}|{32-bit int}|...|{32-bit int}</tt> + +* Type: Finalized scriptSig <tt>PSBT_IN_FINAL_SCRIPTSIG = 0x07</tt> +** Key: None. The key must only contain the 1 byte type. +*** <tt>{0x07}</tt> +** Value: The Finalized scriptSig contains a fully constructed scriptSig with signatures and any other scripts necessary for the input to pass validation. +*** <tt>{scriptSig}</tt> + +* Type: Finalized scriptWitness <tt>PSBT_IN_FINAL_SCRIPTWITNESS = 0x08</tt> +** Key: None. The key must only contain the 1 byte type. +*** <tt>{0x08}</tt> +** Value: The Finalized scriptWitness contains a fully constructed scriptWitness with signatures and any other scripts necessary for the input to pass validation. +*** <tt>{scriptWitness}</tt> + +The currently defined per-output <ref>'''Why do we need per-output data?''' Per-output data allows signers +to verify that the outputs are going to the intended recipient. The output data can also be use by signers to +determine which outputs are change outputs and verify that the change is returning to the correct place.</ref> types are defined as follows: + +* Type: Redeem Script <tt>PSBT_OUT_REDEEM_SCRIPT = 0x00</tt> +** Key: None. The key must only contain the 1 byte type. +*** <tt>{0x00}</tt> +** Value: The redeemScript for this output if it has one. +*** <tt>{redeemScript}</tt> + +* Type: Witness Script <tt>PSBT_OUT_WITNESS_SCRIPT = 0x01</tt> +** Key: None. The key must only contain the 1 byte type. +*** <tt>{0x01}</tt> +** Value: The witnessScript for this output if it has one. +*** <tt>{witnessScript}</tt> + +* Type: BIP 32 Derivation Path <tt>PSBT_OUT_BIP32_DERIVATION = 0x02</tt> +** Key: The public key +*** <tt>{0x02}|{public key}</tt> +** Value: The master key fingerprint concatenated with the derivation path of the public key. The derivation path is represented as 32 bit unsigned integer indexes concatenated with each other. This must omit the index of the master key. Public keys are those needed to spend this output. +*** <tt>{master key fingerprint}|{32-bit int}|...|{32-bit int}</tt> The transaction format is specified as follows: <pre> - {0x70736274}|{0xff}|{global key-value map}|{input key-value map}|...|{input key-value map} + {0x70736274}|{0xff}|{global key-value map}|{input key-value map}|...|{input key-value map}|{output key-value map}|...|{output key-value map}| </pre> {| class="wikitable" style="width: auto; text-align: center; font-size: smaller; table-layout: fixed;" @@ -322,7 +240,13 @@ in the non-PSBT format will be able to be unserialized by a PSBT unserializer.</ | Inputs | Array of key-value maps | varies -| The key-value pairs for each input as described below +| The key-value pairs for each input as described above. Every input in the unsigned transaction must have a corresponding input map. +|- +| 1+ +| Outputs +| Array of key-value maps +| varies +| The key-value pairs for each output as described above. Every output in the unsigned transaction must have a corresponding output map. |} Each block of data between separators can be viewed as a scope, and all separators @@ -334,48 +258,136 @@ input, then it should not have a Non-Witness UTXO key-value pair. If the signer encounters key-value pairs that it does not understand, it must pass those key-value pairs through when re-serializing the transaction. +All keys must have the data that they specify. If any key or value does not match the +specified format for that type, the PSBT must be considered invalid. For example, any +key that has no data except for the type specifier must only have the type specifier in +the key. + ===Handling Duplicated Keys=== -Keys within each scope should never be duplicated; all keys in the format are unique. However implementors -will still need to handle events where keys are duplicated, either duplicated in the transaction -itself or when combining transactions with duplicated fields. If duplicated keys are -encountered, the software may choose to use any of the values corresponding to that key. +Keys within each scope should never be duplicated; all keys in the format are unique. PSBTs containing duplicate keys are invalid. However implementors +will still need to handle events where keys are duplicated when combining transactions with duplicated fields. In this event, the software may choose +whichever value it wishes.<ref>'''Why can the values be arbitrarily chosen?''' When there are duplicated keys, the values that can be chosen will either be +valid or invalid. If the values are invalid, a signer would simply produce an invalid signature and the final transaction itself would be invalid. If the +values are valid, then it does not matter which is chosen as either way the transaction is still valid.</ref> ==Responsibilities== -Using the transaction format involves many different responsibilities. These responsibilities can be handled by a single entity, but each responsibility is specialized in what it should be capable of doing. +Using the transaction format involves many different responsibilities. Multiple responsibilities can be handled by a single entity, but each responsibility is specialized in what it should be capable of doing. ===Creator=== -The Creator must be capable of accepting either a network serialized transaction, or a PSBT. -The Creator can either produce a new PSBT, or update the provided PSBT. -For any scriptSigs which are non-final, the Creator will provide an empty scriptSig and input fields with information from the scriptSig, if any. -If possible, the Creator should also look for any required redeemScripts and witnesScripts and add those to the global data section of the PSBT. -The Creator should also provide any related UTXOs that it knows about. +The Creator creates a new PSBT. It must create an unsigned transaction and place it in the PSBT. +The Creator must create empty input fields. + +===Updater=== + +The Updater must only accept a PSBT. +The Updater adds information to the PSBT that it has access to. If it has the UTXO for an input, it should add it to the PSBT. +The Updater should also add redeemScripts, witnessScripts, and BIP 32 derivation paths to the input and output data if it knows them. + +A single entity is likely to be both a Creator and Updater. ===Signer=== The Signer must only accept a PSBT. The Signer must only use the UTXOs provided in the PSBT to produce signatures for inputs. -The Signer should not need require any additional data sources, as all necessary information is provided in the PSBT format. +Before signing a non-witness input, the Signer must verify that the TXID of the non-witness UTXO matches the TXID specified in the unsigned transaction. +Before signing a witness input, the Signer must verify that the witnessScript (if provided) matches the hash specified in the UTXO or the redeemScript, and the redeemScript (if provided) matches the hash in the UTXO. +The Signer should not need any additional data sources, as all necessary information is provided in the PSBT format. +The Signer must only add data to a PSBT. Any signatures created by the Signer must be added as a "Partial Signature" key-value pair for the respective input it relates to. +If a Signer cannot sign a transaction, it must not add a Partial Signature. The Signer can additionally compute the addresses and values being sent, and the transaction fee, optionally showing this data to the user as a confirmation of intent and the consequences of signing the PSBT. +Signers do not need to sign for all possible input types. For example, a signer may choose to only sign only Segwit inputs. + +A single entity is likely to be both a Signer and an Updater as it can update a PSBT with necessary information prior to signing it. + +====Data Signers Check For==== + +For a Signer to only produce valid signatures for what it expects to sign, it must check that the following conditions are true: + +* If a non-witness UTXO is provided, its hash must match the hash specified in the prevout +* If a witness UTXO is provided, no non-witness signature may be created +* If a redeemScript is provided, the scriptPubKey must be for that redeemScript +* If a witnessScript is provided, the scriptPubKey or the redeemScript must be for that witnessScript + +=====Simple Signer Algorithm===== + +A simple signer can use the following algorithm to determine what and how to sign + +<pre> +sign_witness(script_code, i): + for key in psbt.inputs[i].keys: + if IsMine(key): + sign(witness_sighash(script_code, i, input)) + +sign_non_witness(script_code, i): + for key in psbt.inputs[i].keys: + if IsMine(key): + sign(non_witness_sighash(script_code, i, input)) + +for input,i in enumerate(psbt.inputs): + if non_witness_utxo.exists: + assert(sha256d(non_witness_utxo) == psbt.tx.innput[i].prevout.hash) + if redeemScript.exists: + assert(non_witness_utxo.vout[psbt.tx.input[i].prevout.n].scriptPubKey == P2SH(redeemScript)) + sign_non_witness(redeemScript) + else: + sign_non_witness(non_witness_utxo.vout[psbt.tx.input[i].prevout.n].scriptPubKey) + else if witness_utxo.exists: + if redeemScript.exists: + assert(witness_utxo.scriptPubKey == P2SH(redeemScript)) + script = redeemScript + else: + script = witness_utxo.scriptPubKey + if IsP2WPKH(script): + sign_witness(P2PKH(script[2:22])) + else if IsP2WSH(script): + assert(script == P2WSH(witnessScript)) + sign_witness(witnessScript) + else: + assert False +</pre> + ===Combiner=== The Combiner can accept 1 or many PSBTs. The Combiner must merge them into one PSBT (if possible), or fail. -The resulting PSBT must contains all of the key-value pairs from each of the PSBTs. -The Combined must remove any duplicate key-value pairs, in accordance with the specification. +The resulting PSBT must contain all of the key-value pairs from each of the PSBTs. +The Combiner must remove any duplicate key-value pairs, in accordance with the specification. It can pick arbitrarily when conflicts occur. +A Combiner must not combine two different PSBTs. PSBTs can be uniquely identified by <tt>0x00</tt> global transaction typed key-value pair. +For every type that a Combiner understands, it may refuse to combine PSBTs if it detects that there will be inconsistencies or conflicts for that type in the combined PSBT. + +The Combiner does not need to know how to interpret scripts in order to combine PSBTs. It can do so without understanding scripts or the network serialization format. + +In general, the result of a Combiner combining two PSBTs from independent participants A and B should be functionally equivalent to a result obtained from processing the original PSBT by A and then B in a sequence. +Or, for participants performing fA(psbt) and fB(psbt): Combine(fA(psbt), fB(psbt)) == fA(fB(psbt)) == fB(fA(psbt)) -===Finalizer=== +===Input Finalizer=== -The Finalizer must only accept a PSBT. -The Finalizer transforms a PSBT into a network serialized transaction. +The Input Finalizer must only accept a PSBT. +For each input, the Input Finalizer determines if the input has enough data to pass validation. If it does, it must construct the scriptSig and scriptWitness and place them into the input key-value map. +All other data except the UTXO and unknown fields in the input key-value map should be cleared from the PSBT. The UTXO should be kept to allow Transaction Extractors to verify the final network serialized transaction. -For any inputs which are not complete, the Finalizer will emplace an empty scriptSig in the network serialized transaction. -For any input which has a complete set of signatures, the Finalizer must attempt to build the complete scriptSig and encode it into the network serialized transaction. +===Transaction Extractor=== + +The Transaction Extractor must only accept a PSBT. +It checks whether all inputs have complete scriptSigs and scriptWitnesses by checking for the presence of <tt>0x05</tt> Finalized scriptSig and <tt>0x06</tt> Finalized scriptWitness typed records. If they do, the Transaction Extractor should construct complete scriptSigs and scriptWitnesses and encode them into network serialized transactions. Otherwise the Extractor must not modify the PSBT. +The Extractor should produce a fully valid, network serialized transaction if all inputs are complete. + +The Transaction Extractor does not need to know how to interpret scripts in order to extract the network serialized transaction. However it may be able to in order to validate the network serialized transaction at the same time. + +A single entity is likely to be both a Transaction Extractor and an Input Finalizer. + +==Encoding== + +A PSBT can be represented in two ways: in binary (as a file) or as a Base64 string using the encoding described in [https://tools.ietf.org/html/rfc4648#section-4 RFC4648]. + +Binary PSBT files should use the <tt>.psbt</tt> file extension. +A MIME type name will be added to this document once one has been registered. ==Extensibility== @@ -383,9 +395,7 @@ The Partially Signed Transaction format can be extended in the future by adding new types for key-value pairs. Backwards compatibilty will still be maintained as those new types will be ignored and passed-through by signers which do not know about them. -Additional key-value maps with different types for the key-value pairs can be added on to -the end of the format. The number of each map that follows must be specified in the globals -section so that parsers will know when to use different definitions of the data types. +If one byte type fields were to ever run out, new extensions can still be added by defining multi-byte types where the first byte signals that the next byte indicates the type and so on. ==Compatibility== @@ -397,15 +407,220 @@ able to be unserialized by an unserializer for the PSBT format. ===Manual CoinJoin Workflow=== -<img src="bip-0174/coinjoin-workflow.png" align="middle"></img> +<img src="bip-0174/coinjoin-workflow.svg" align="middle"></img> ===2-of-3 Multisig Workflow=== -<img src="bip-0174/multisig-workflow.png" align="middle"></img> +<img src="bip-0174/multisig-workflow.svg" align="middle"></img> + +==Test Vectors== + +The following are invalid PSBTs: + +* Case: Network transaction, not PSBT format +** Bytes in Hex: <pre>0200000001268171371edff285e937adeea4b37b78000c0566cbb3ad64641713ca42171bf6000000006a473044022070b2245123e6bf474d60c5b50c043d4c691a5d2435f09a34a7662a9dc251790a022001329ca9dacf280bdf30740ec0390422422c81cb45839457aeb76fc12edd95b3012102657d118d3357b8e0f4c2cd46db7b39f6d9c38d9a70abcb9b2de5dc8dbfe4ce31feffffff02d3dff505000000001976a914d0c59903c5bac2868760e90fd521a4665aa7652088ac00e1f5050000000017a9143545e6e33b832c47050f24d3eeb93c9c03948bc787b32e1300</pre> +** Base64 String: <pre>AgAAAAEmgXE3Ht/yhek3re6ks3t4AAwFZsuzrWRkFxPKQhcb9gAAAABqRzBEAiBwsiRRI+a/R01gxbUMBD1MaRpdJDXwmjSnZiqdwlF5CgIgATKcqdrPKAvfMHQOwDkEIkIsgctFg5RXrrdvwS7dlbMBIQJlfRGNM1e44PTCzUbbezn22cONmnCry5st5dyNv+TOMf7///8C09/1BQAAAAAZdqkU0MWZA8W6woaHYOkP1SGkZlqnZSCIrADh9QUAAAAAF6kUNUXm4zuDLEcFDyTT7rk8nAOUi8eHsy4TAA==</pre> + +* Case: PSBT missing outputs +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>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</pre> -==Test Vector== +* Case: PSBT where one input has a filled scriptSig in the unsigned tx +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>cHNidP8BAP0KAQIAAAACqwlJoIxa98SbghL0F+LxWrP1wz3PFTghqBOfh3pbe+QAAAAAakcwRAIgR1lmF5fAGwNrJZKJSGhiGDR9iYZLcZ4ff89X0eURZYcCIFMJ6r9Wqk2Ikf/REf3xM286KdqGbX+EhtdVRs7tr5MZASEDXNxh/HupccC1AaZGoqg7ECy0OIEhfKaC3Ibi1z+ogpL+////qwlJoIxa98SbghL0F+LxWrP1wz3PFTghqBOfh3pbe+QBAAAAAP7///8CYDvqCwAAAAAZdqkUdopAu9dAy+gdmI5x3ipNXHE5ax2IrI4kAAAAAAAAGXapFG9GILVT+glechue4O/p+gOcykWXiKwAAAAAAAABASAA4fUFAAAAABepFDVF5uM7gyxHBQ8k0+65PJwDlIvHhwEEFgAUhdE1N/LiZUBaNNuvqePdoB+4IwgAAAA=</pre> -TBD +* Case: PSBT where inputs and outputs are provided but without an unsigned tx +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>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</pre> + +* Case: PSBT with duplicate keys in an input +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>cHNidP8BAHUCAAAAASaBcTce3/KF6Tet7qSze3gADAVmy7OtZGQXE8pCFxv2AAAAAAD+////AtPf9QUAAAAAGXapFNDFmQPFusKGh2DpD9UhpGZap2UgiKwA4fUFAAAAABepFDVF5uM7gyxHBQ8k0+65PJwDlIvHh7MuEwAAAQD9pQEBAAAAAAECiaPHHqtNIOA3G7ukzGmPopXJRjr6Ljl/hTPMti+VZ+UBAAAAFxYAFL4Y0VKpsBIDna89p95PUzSe7LmF/////4b4qkOnHf8USIk6UwpyN+9rRgi7st0tAXHmOuxqSJC0AQAAABcWABT+Pp7xp0XpdNkCxDVZQ6vLNL1TU/////8CAMLrCwAAAAAZdqkUhc/xCX/Z4Ai7NK9wnGIZeziXikiIrHL++E4sAAAAF6kUM5cluiHv1irHU6m80GfWx6ajnQWHAkcwRAIgJxK+IuAnDzlPVoMR3HyppolwuAJf3TskAinwf4pfOiQCIAGLONfc0xTnNMkna9b7QPZzMlvEuqFEyADS8vAtsnZcASED0uFWdJQbrUqZY3LLh+GFbTZSYG2YVi/jnF6efkE/IQUCSDBFAiEA0SuFLYXc2WHS9fSrZgZU327tzHlMDDPOXMMJ/7X85Y0CIGczio4OFyXBl/saiK9Z9R5E5CVbIBZ8hoQDHAXR8lkqASECI7cr7vCWXRC+B3jv7NYfysb3mk6haTkzgHNEZPhPKrMAAAAAAQA/AgAAAAH//////////////////////////////////////////wAAAAAA/////wEAAAAAAAAAAANqAQAAAAAAAAAA</pre> + +* Case: PSBT With invalid global transaction typed key +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>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</pre> + +* Case: PSBT With invalid input witness utxo typed key +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>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</pre> + +* Case: PSBT With invalid pubkey length for input partial signature typed key +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>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</pre> + +* Case: PSBT With invalid redeemscript typed key +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>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</pre> + +* Case: PSBT With invalid witnessscript typed key +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>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</pre> + +* Case: PSBT With invalid bip32 typed key +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>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</pre> + +* Case: PSBT With invalid non-witness utxo typed key +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>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</pre> + +* Case: PSBT With invalid final scriptsig typed key +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>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</pre> + +* Case: PSBT With invalid final script witness typed key +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>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</pre> + +* Case: PSBT With invalid pubkey in output BIP 32 derivation paths typed key +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>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</pre> + +* Case: PSBT With invalid input sighash type typed key +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>cHnidP8BAHMCAAAAATAa6YblFqHsisW0vGVz0y+DtGXiOtdhZ9aLOOcwtNvbAAAAAAD/////AnR7AQAAAAAAF6kUA6oXrogrXQ1Usl1jEE5P/s57nqKHYEOZOwAAAAAXqRS5IbG6b3IuS/qDtlV6MTmYakLsg4cAAAAAAAEBHwDKmjsAAAAAFgAU0tlLZK4IWH7vyO6xh8YB6Tn5A3wCAwABAAAAAAEAFgAUYunpgv/zTdgjlhAxawkM0qO3R8sAAQAiACCHa62DLx0WgBXtQSMqnqZaGBXZ7xPA74dZ9ktbKyeKZQEBJVEhA7fOI6AcW0vwCmQlN836uzFbZoMyhnR471EwnSvVf4qHUa4A</pre> + +* Case: PSBT With invalid output redeemScript typed key +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>cHnidP8BAHMCAAAAATAa6YblFqHsisW0vGVz0y+DtGXiOtdhZ9aLOOcwtNvbAAAAAAD/////AnR7AQAAAAAAF6kUA6oXrogrXQ1Usl1jEE5P/s57nqKHYEOZOwAAAAAXqRS5IbG6b3IuS/qDtlV6MTmYakLsg4cAAAAAAAEBHwDKmjsAAAAAFgAU0tlLZK4IWH7vyO6xh8YB6Tn5A3wAAgAAFgAUYunpgv/zTdgjlhAxawkM0qO3R8sAAQAiACCHa62DLx0WgBXtQSMqnqZaGBXZ7xPA74dZ9ktbKyeKZQEBJVEhA7fOI6AcW0vwCmQlN836uzFbZoMyhnR471EwnSvVf4qHUa4A</pre> + +* Case: PSBT With invalid output witnessScript typed key +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>cHnidP8BAHMCAAAAATAa6YblFqHsisW0vGVz0y+DtGXiOtdhZ9aLOOcwtNvbAAAAAAD/////AnR7AQAAAAAAF6kUA6oXrogrXQ1Usl1jEE5P/s57nqKHYEOZOwAAAAAXqRS5IbG6b3IuS/qDtlV6MTmYakLsg4cAAAAAAAEBHwDKmjsAAAAAFgAU0tlLZK4IWH7vyO6xh8YB6Tn5A3wAAQAWABRi6emC//NN2COWEDFrCQzSo7dHywABACIAIIdrrYMvHRaAFe1BIyqeploYFdnvE8Dvh1n2S1srJ4plIQEAJVEhA7fOI6AcW0vwCmQlN836uzFbZoMyhnR471EwnSvVf4qHUa4A</pre> + +The following are valid PSBTs: + +* Case: PSBT with one P2PKH input. Outputs are empty +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>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</pre> + +* Case: PSBT with one P2PKH input and one P2SH-P2WPKH input. First input is signed and finalized. Outputs are empty +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>cHNidP8BAKACAAAAAqsJSaCMWvfEm4IS9Bfi8Vqz9cM9zxU4IagTn4d6W3vkAAAAAAD+////qwlJoIxa98SbghL0F+LxWrP1wz3PFTghqBOfh3pbe+QBAAAAAP7///8CYDvqCwAAAAAZdqkUdopAu9dAy+gdmI5x3ipNXHE5ax2IrI4kAAAAAAAAGXapFG9GILVT+glechue4O/p+gOcykWXiKwAAAAAAAEHakcwRAIgR1lmF5fAGwNrJZKJSGhiGDR9iYZLcZ4ff89X0eURZYcCIFMJ6r9Wqk2Ikf/REf3xM286KdqGbX+EhtdVRs7tr5MZASEDXNxh/HupccC1AaZGoqg7ECy0OIEhfKaC3Ibi1z+ogpIAAQEgAOH1BQAAAAAXqRQ1RebjO4MsRwUPJNPuuTycA5SLx4cBBBYAFIXRNTfy4mVAWjTbr6nj3aAfuCMIAAAA</pre> + +* Case: PSBT with one P2PKH input which has a non-final scriptSig and has a sighash type specified. Outputs are empty +** Bytes in Hex: <pre>70736274ff0100750200000001268171371edff285e937adeea4b37b78000c0566cbb3ad64641713ca42171bf60000000000feffffff02d3dff505000000001976a914d0c59903c5bac2868760e90fd521a4665aa7652088ac00e1f5050000000017a9143545e6e33b832c47050f24d3eeb93c9c03948bc787b32e1300000100fda5010100000000010289a3c71eab4d20e0371bbba4cc698fa295c9463afa2e397f8533ccb62f9567e50100000017160014be18d152a9b012039daf3da7de4f53349eecb985ffffffff86f8aa43a71dff1448893a530a7237ef6b4608bbb2dd2d0171e63aec6a4890b40100000017160014fe3e9ef1a745e974d902c4355943abcb34bd5353ffffffff0200c2eb0b000000001976a91485cff1097fd9e008bb34af709c62197b38978a4888ac72fef84e2c00000017a914339725ba21efd62ac753a9bcd067d6c7a6a39d05870247304402202712be22e0270f394f568311dc7ca9a68970b8025fdd3b240229f07f8a5f3a240220018b38d7dcd314e734c9276bd6fb40f673325bc4baa144c800d2f2f02db2765c012103d2e15674941bad4a996372cb87e1856d3652606d98562fe39c5e9e7e413f210502483045022100d12b852d85dcd961d2f5f4ab660654df6eedcc794c0c33ce5cc309ffb5fce58d022067338a8e0e1725c197fb1a88af59f51e44e4255b20167c8684031c05d1f2592a01210223b72beef0965d10be0778efecd61fcac6f79a4ea169393380734464f84f2ab30000000001030401000000000000</pre> +** Base64 String: <pre>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</pre> + +* Case: PSBT with one P2PKH input and one P2SH-P2WPKH input both with non-final scriptSigs. P2SH-P2WPKH input's redeemScript is available. Outputs filled. +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>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</pre> + +* Case: PSBT with one P2SH-P2WSH input of a 2-of-2 multisig, redeemScript, witnessScript, and keypaths are available. Contains one signature. +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>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</pre> + +* Case: PSBT with unknown types in the inputs. +** Bytes in Hex: <pre>70736274ff01003f0200000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0000000000ffffffff010000000000000000036a010000000000000a0f0102030405060708090f0102030405060708090a0b0c0d0e0f0000</pre> +** Base64 String: <pre>cHNidP8BAD8CAAAAAf//////////////////////////////////////////AAAAAAD/////AQAAAAAAAAAAA2oBAAAAAAAACg8BAgMEBQYHCAkPAQIDBAUGBwgJCgsMDQ4PAAA=</pre> + +Fails Signer checks + +* Case: A Witness UTXO is provided for a non-witness input +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>cHNidP8BAKACAAAAAqsJSaCMWvfEm4IS9Bfi8Vqz9cM9zxU4IagTn4d6W3vkAAAAAAD+////qwlJoIxa98SbghL0F+LxWrP1wz3PFTghqBOfh3pbe+QBAAAAAP7///8CYDvqCwAAAAAZdqkUdopAu9dAy+gdmI5x3ipNXHE5ax2IrI4kAAAAAAAAGXapFG9GILVT+glechue4O/p+gOcykWXiKwAAAAAAAEBItPf9QUAAAAAGXapFNSO0xELlAFMsRS9Mtb00GbcdCVriKwAAQEgAOH1BQAAAAAXqRQ1RebjO4MsRwUPJNPuuTycA5SLx4cBBBYAFIXRNTfy4mVAWjTbr6nj3aAfuCMIACICAurVlmh8qAYEPtw94RbN8p1eklfBls0FXPaYyNAr8k6ZELSmumcAAACAAAAAgAIAAIAAIgIDlPYr6d8ZlSxVh3aK63aYBhrSxKJciU9H2MFitNchPQUQtKa6ZwAAAIABAACAAgAAgAA=</pre> + +* Case: redeemScript with non-witness UTXO does not match the scriptPubKey +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>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</pre> + +* Case: redeemScript with witness UTXO does not match the scriptPubKey +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>cHNidP8BAJoCAAAAAljoeiG1ba8MI76OcHBFbDNvfLqlyHV5JPVFiHuyq911AAAAAAD/////g40EJ9DsZQpoqka7CwmK6kQiwHGyyng1Kgd5WdB86h0BAAAAAP////8CcKrwCAAAAAAWABTYXCtx0AYLCcmIauuBXlCZHdoSTQDh9QUAAAAAFgAUAK6pouXw+HaliN9VRuh0LR2HAI8AAAAAAAEAuwIAAAABqtc5MQGL0l+ErkALaISL4J23BurCrBgpi6vucatlb4sAAAAASEcwRAIgWPb8fGoz4bMVSNSByCbAFb0wE1qtQs1neQ2rZtKtJDsCIEoc7SYExnNbY5PltBaR3XiwDwxZQvufdRhW+qk4FX26Af7///8CgPD6AgAAAAAXqRQPuUY0IWlrgsgzryQceMF9295JNIfQ8gonAQAAABepFCnKdPigj4GZlCgYXJe12FLkBj9hh2UAAAAiAgLath/0mhTban0CsM0fu3j8SxgxK1tOVNrk26L7/vU210gwRQIhAPYQOLMI3B2oZaNIUnRvAVdyk0IIxtJEVDk82ZvfIhd3AiAFbmdaZ1ptCgK4WxTl4pB02KJam1dgvqKBb2YZEKAG6gEBAwQBAAAAAQRHUiEClYO/Oa4KYJdHrRma3dY0+mEIVZ1sXNObTCGD8auW4H8hAtq2H/SaFNtqfQKwzR+7ePxLGDErW05U2uTbovv+9TbXUq4iBgKVg785rgpgl0etGZrd1jT6YQhVnWxc05tMIYPxq5bgfxDZDGpPAAAAgAAAAIAAAACAIgYC2rYf9JoU22p9ArDNH7t4/EsYMStbTlTa5Nui+/71NtcQ2QxqTwAAAIAAAACAAQAAgAABASAAwusLAAAAABepFLf1+vQOPUClpFmx2zU18rcvqSHohyICAjrdkE89bc9Z3bkGsN7iNSm3/7ntUOXoYVGSaGAiHw5zRzBEAiBl9FulmYtZon/+GnvtAWrx8fkNVLOqj3RQql9WolEDvQIgf3JHA60e25ZoCyhLVtT/y4j3+3Weq74IqjDym4UTg9IBAQMEAQAAAAEEIgAgjCNTFzdDtZXftKB7crqOQuN5fadOh/59nXSX47ICiQABBUdSIQMIncEMesbbVPkTKa9hczPbOIzq0MIx9yM3nRuZAwsC3CECOt2QTz1tz1nduQaw3uI1Kbf/ue1Q5ehhUZJoYCIfDnNSriIGAjrdkE89bc9Z3bkGsN7iNSm3/7ntUOXoYVGSaGAiHw5zENkMak8AAACAAAAAgAMAAIAiBgMIncEMesbbVPkTKa9hczPbOIzq0MIx9yM3nRuZAwsC3BDZDGpPAAAAgAAAAIACAACAACICA6mkw39ZltOqJdusa1cK8GUDlEkpQkYLNUdT7Z7spYdxENkMak8AAACAAAAAgAQAAIAAIgICf2OZdX0u/1WhNq0CxoSxg4tlVuXxtrNCgqlLa1AFEJYQ2QxqTwAAAIAAAACABQAAgAA=</pre> + +* Case: witnessScript with witness UTXO does not match the redeemScript +** Bytes in Hex: <pre>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</pre> +** Base64 String: <pre>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</pre> + +The private keys in the tests below are derived from the following master private key: + +* Extended Private Key: <pre>tprv8ZgxMBicQKsPd9TeAdPADNnSyH9SSUUbTVeFszDE23Ki6TBB5nCefAdHkK8Fm3qMQR6sHwA56zqRmKmxnHk37JkiFzvncDqoKmPWubu7hDF</pre> +** Seed: <pre>cUkG8i1RFfWGWy5ziR11zJ5V4U4W3viSFCfyJmZnvQaUsd1xuF3T</pre> + +A creator creating a PSBT for a transaction which creates the following outputs: + +* scriptPubKey: <tt>0014d85c2b71d0060b09c9886aeb815e50991dda124d</tt>, Amount: <tt>1.49990000</tt> +* scriptPubKey: <tt>001400aea9a2e5f0f876a588df5546e8742d1d87008f</tt>, Amount: <tt>1.00000000</tt> + +and spends the following inputs: + +* TXID: <tt>75ddabb27b8845f5247975c8a5ba7c6f336c4570708ebe230caf6db5217ae858</tt>, Index: <tt>0</tt> +* TXID: <tt>1dea7cd05979072a3578cab271c02244ea8a090bbb46aa680a65ecd027048d83</tt>, Index: <tt>1</tt> + +must create this PSBT: +* Bytes in Hex: <pre>70736274ff01009a020000000258e87a21b56daf0c23be8e7070456c336f7cbaa5c8757924f545887bb2abdd750000000000ffffffff838d0427d0ec650a68aa46bb0b098aea4422c071b2ca78352a077959d07cea1d0100000000ffffffff0270aaf00800000000160014d85c2b71d0060b09c9886aeb815e50991dda124d00e1f5050000000016001400aea9a2e5f0f876a588df5546e8742d1d87008f000000000000000000</pre> +* Base64 String: <pre>cHNidP8BAJoCAAAAAljoeiG1ba8MI76OcHBFbDNvfLqlyHV5JPVFiHuyq911AAAAAAD/////g40EJ9DsZQpoqka7CwmK6kQiwHGyyng1Kgd5WdB86h0BAAAAAP////8CcKrwCAAAAAAWABTYXCtx0AYLCcmIauuBXlCZHdoSTQDh9QUAAAAAFgAUAK6pouXw+HaliN9VRuh0LR2HAI8AAAAAAAAAAAA=</pre> + +Given the above PSBT, an updater with only the following: + +* Redeem Scripts: +** <tt>5221029583bf39ae0a609747ad199addd634fa6108559d6c5cd39b4c2183f1ab96e07f2102dab61ff49a14db6a7d02b0cd1fbb78fc4b18312b5b4e54dae4dba2fbfef536d752ae</tt> +** <tt>00208c2353173743b595dfb4a07b72ba8e42e3797da74e87fe7d9d7497e3b2028903</tt> +* Witness Scripts: +** <tt>522103089dc10c7ac6db54f91329af617333db388cead0c231f723379d1b99030b02dc21023add904f3d6dcf59ddb906b0dee23529b7ffb9ed50e5e86151926860221f0e7352ae</tt> +* Previous Transactions: +** <pre>0200000000010158e87a21b56daf0c23be8e7070456c336f7cbaa5c8757924f545887bb2abdd7501000000171600145f275f436b09a8cc9a2eb2a2f528485c68a56323feffffff02d8231f1b0100000017a914aed962d6654f9a2b36608eb9d64d2b260db4f1118700c2eb0b0000000017a914b7f5faf40e3d40a5a459b1db3535f2b72fa921e88702483045022100a22edcc6e5bc511af4cc4ae0de0fcd75c7e04d8c1c3a8aa9d820ed4b967384ec02200642963597b9b1bc22c75e9f3e117284a962188bf5e8a74c895089046a20ad770121035509a48eb623e10aace8bfd0212fdb8a8e5af3c94b0b133b95e114cab89e4f7965000000</pre> +** <pre>0200000001aad73931018bd25f84ae400b68848be09db706eac2ac18298babee71ab656f8b0000000048473044022058f6fc7c6a33e1b31548d481c826c015bd30135aad42cd67790dab66d2ad243b02204a1ced2604c6735b6393e5b41691dd78b00f0c5942fb9f751856faa938157dba01feffffff0280f0fa020000000017a9140fb9463421696b82c833af241c78c17ddbde493487d0f20a270100000017a91429ca74f8a08f81999428185c97b5d852e4063f618765000000</pre> +* Public Keys +** Key: <tt>029583bf39ae0a609747ad199addd634fa6108559d6c5cd39b4c2183f1ab96e07f</tt>, Derivation Path: <tt>m/0'/0'/0'</tt> +** Key: <tt>02dab61ff49a14db6a7d02b0cd1fbb78fc4b18312b5b4e54dae4dba2fbfef536d7</tt>, Derivation Path: <tt>m/0'/0'/1'</tt> +** Key: <tt>03089dc10c7ac6db54f91329af617333db388cead0c231f723379d1b99030b02dc</tt>, Derivation Path: <tt>m/0'/0'/2'</tt> +** Key: <tt>023add904f3d6dcf59ddb906b0dee23529b7ffb9ed50e5e86151926860221f0e73</tt>, Derivation Path: <tt>m/0'/0'/3'</tt> +** Key: <tt>03a9a4c37f5996d3aa25dbac6b570af0650394492942460b354753ed9eeca58771</tt>, Derivation Path: <tt>m/0'/0'/4'</tt> +** Key: <tt>027f6399757d2eff55a136ad02c684b1838b6556e5f1b6b34282a94b6b50051096</tt>, Derivation Path: <tt>m/0'/0'/5'</tt> + +Must create this PSBT: + +* Bytes in Hex: <pre>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</pre> +* Base64 String: <pre>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</pre> + +An updater which adds SIGHASH_ALL to the above PSBT must create this PSBT: + +* Bytes in Hex: <pre>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</pre> +* Base64 String: <pre>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</pre> + +Given the above updated PSBT, a signer that supports SIGHASH_ALL for P2PKH and P2WPKH spends and uses RFC6979 for nonce generation and has the following keys: +* <tt>cP53pDbR5WtAD8dYAW9hhTjuvvTVaEiQBdrz9XPrgLBeRFiyCbQr</tt> (<tt>m/0'/0'/0'</tt>) +* <tt>cR6SXDoyfQrcp4piaiHE97Rsgta9mNhGTen9XeonVgwsh4iSgw6d</tt> (<tt>m/0'/0'/2'</tt>) +must create this PSBT: + +* Bytes in Hex: <pre>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</pre> +* Base64 String: <pre>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</pre> + +Given the above updated PSBT, a signer with the following keys: +* <tt>cT7J9YpCwY3AVRFSjN6ukeEeWY6mhpbJPxRaDaP5QTdygQRxP9Au</tt> (<tt>m/0'/0'/1'</tt>) +* <tt>cNBc3SWUip9PPm1GjRoLEJT6T41iNzCYtD7qro84FMnM5zEqeJsE</tt> (<tt>m/0'/0'/3'</tt>) +must create this PSBT: + +* Bytes in Hex: <pre>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</pre> +* Base64 String: <pre>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</pre> + +Given both of the above PSBTs, a combiner must create this PSBT: + +* Bytes in Hex: <pre>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</pre> +* Base64 String: <pre>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</pre> + +Given the above PSBT, an input finalizer must create this PSBT: + +* Bytes in Hex: <pre>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</pre> +* Base64 String: <pre>cHNidP8BAJoCAAAAAljoeiG1ba8MI76OcHBFbDNvfLqlyHV5JPVFiHuyq911AAAAAAD/////g40EJ9DsZQpoqka7CwmK6kQiwHGyyng1Kgd5WdB86h0BAAAAAP////8CcKrwCAAAAAAWABTYXCtx0AYLCcmIauuBXlCZHdoSTQDh9QUAAAAAFgAUAK6pouXw+HaliN9VRuh0LR2HAI8AAAAAAAEAuwIAAAABqtc5MQGL0l+ErkALaISL4J23BurCrBgpi6vucatlb4sAAAAASEcwRAIgWPb8fGoz4bMVSNSByCbAFb0wE1qtQs1neQ2rZtKtJDsCIEoc7SYExnNbY5PltBaR3XiwDwxZQvufdRhW+qk4FX26Af7///8CgPD6AgAAAAAXqRQPuUY0IWlrgsgzryQceMF9295JNIfQ8gonAQAAABepFCnKdPigj4GZlCgYXJe12FLkBj9hh2UAAAABB9oARzBEAiB0AYrUGACXuHMyPAAVcgs2hMyBI4kQSOfbzZtVrWecmQIgc9Npt0Dj61Pc76M4I8gHBRTKVafdlUTxV8FnkTJhEYwBSDBFAiEA9hA4swjcHahlo0hSdG8BV3KTQgjG0kRUOTzZm98iF3cCIAVuZ1pnWm0KArhbFOXikHTYolqbV2C+ooFvZhkQoAbqAUdSIQKVg785rgpgl0etGZrd1jT6YQhVnWxc05tMIYPxq5bgfyEC2rYf9JoU22p9ArDNH7t4/EsYMStbTlTa5Nui+/71NtdSrgABASAAwusLAAAAABepFLf1+vQOPUClpFmx2zU18rcvqSHohwEHIyIAIIwjUxc3Q7WV37Sge3K6jkLjeX2nTof+fZ10l+OyAokDAQjaBABHMEQCIGLrelVhB6fHP0WsSrWh3d9vcHX7EnWWmn84Pv/3hLyyAiAMBdu3Rw2/LwhVfdNWxzJcHtMJE+mWzThAlF2xIijaXwFHMEQCIGX0W6WZi1mif/4ae+0BavHx+Q1Us6qPdFCqX1aiUQO9AiB/ckcDrR7blmgLKEtW1P/LiPf7dZ6rvgiqMPKbhROD0gFHUiEDCJ3BDHrG21T5EymvYXMz2ziM6tDCMfcjN50bmQMLAtwhAjrdkE89bc9Z3bkGsN7iNSm3/7ntUOXoYVGSaGAiHw5zUq4AIgIDqaTDf1mW06ol26xrVwrwZQOUSSlCRgs1R1Ptnuylh3EQ2QxqTwAAAIAAAACABAAAgAAiAgJ/Y5l1fS7/VaE2rQLGhLGDi2VW5fG2s0KCqUtrUAUQlhDZDGpPAAAAgAAAAIAFAACAAA==</pre> + +Given the above PSBT, a transaction extractor must create this Bitcoin transaction: + +* Bytes in Hex: <pre>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</pre> + +Given these two PSBTs with unknown key-value pairs: +* Bytes in Hex: <pre>70736274ff01003f0200000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0000000000ffffffff010000000000000000036a0100000000000a0f0102030405060708090f0102030405060708090a0b0c0d0e0f000a0f0102030405060708090f0102030405060708090a0b0c0d0e0f000a0f0102030405060708090f0102030405060708090a0b0c0d0e0f00</pre> +** Base64 String: <pre>cHNidP8BAD8CAAAAAf//////////////////////////////////////////AAAAAAD/////AQAAAAAAAAAAA2oBAAAAAAAKDwECAwQFBgcICQ8BAgMEBQYHCAkKCwwNDg8ACg8BAgMEBQYHCAkPAQIDBAUGBwgJCgsMDQ4PAAoPAQIDBAUGBwgJDwECAwQFBgcICQoLDA0ODwA=</pre> + +* Bytes in Hex: <pre>70736274ff01003f0200000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0000000000ffffffff010000000000000000036a0100000000000a0f0102030405060708100f0102030405060708090a0b0c0d0e0f000a0f0102030405060708100f0102030405060708090a0b0c0d0e0f000a0f0102030405060708100f0102030405060708090a0b0c0d0e0f00</pre> +** Base64 String: <pre>cHNidP8BAD8CAAAAAf//////////////////////////////////////////AAAAAAD/////AQAAAAAAAAAAA2oBAAAAAAAKDwECAwQFBgcIEA8BAgMEBQYHCAkKCwwNDg8ACg8BAgMEBQYHCBAPAQIDBAUGBwgJCgsMDQ4PAAoPAQIDBAUGBwgQDwECAwQFBgcICQoLDA0ODwA=</pre> + +A combiner which orders keys lexicographically must produce the following PSBT: + +* Bytes in Hex: <pre>70736274ff01003f0200000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0000000000ffffffff010000000000000000036a0100000000000a0f0102030405060708090f0102030405060708090a0b0c0d0e0f0a0f0102030405060708100f0102030405060708090a0b0c0d0e0f000a0f0102030405060708090f0102030405060708090a0b0c0d0e0f0a0f0102030405060708100f0102030405060708090a0b0c0d0e0f000a0f0102030405060708090f0102030405060708090a0b0c0d0e0f0a0f0102030405060708100f0102030405060708090a0b0c0d0e0f00</pre> +* Base64 String: <pre>cHNidP8BAD8CAAAAAf//////////////////////////////////////////AAAAAAD/////AQAAAAAAAAAAA2oBAAAAAAAKDwECAwQFBgcICQ8BAgMEBQYHCAkKCwwNDg8KDwECAwQFBgcIEA8BAgMEBQYHCAkKCwwNDg8ACg8BAgMEBQYHCAkPAQIDBAUGBwgJCgsMDQ4PCg8BAgMEBQYHCBAPAQIDBAUGBwgJCgsMDQ4PAAoPAQIDBAUGBwgJDwECAwQFBgcICQoLDA0ODwoPAQIDBAUGBwgQDwECAwQFBgcICQoLDA0ODwA=</pre> ==Rationale== @@ -420,7 +635,7 @@ The reference implementation of the PSBT format is available at https://github.c Special thanks to Pieter Wuille for suggesting that such a transaction format should be made and for coming up with the name and abbreviation of PSBT. -Thanks to Pieter Wuille, Gregory Maxwell, Jonathan Underwood, and Daniel Cousens for additional comments +Thanks to Pieter Wuille, Gregory Maxwell, Jonathan Underwood, Daniel Cousens and those who commented on the bitcoin-dev mailing list for additional comments and suggestions for improving this proposal. ==Appendix A: Data types and their specifications== @@ -430,13 +645,71 @@ Any data types, their associated scope and BIP number must be defined here {| class="wikitable" style="width: auto; text-align: center; font-size: smaller; table-layout: fixed;" !Scope !Type values +!Name !BIP Number |- | Global -| 0,1,2,3,4 +| 0 +| PSBT_GLOBAL_UNSIGNED_TX +| BIP 174 +|- +| Input +| 0 +| PSBT_IN_NON_WITNESS_UTXO +| BIP 174 +|- +| Input +| 1 +| PSBT_IN_WITNESS_UTXO | BIP 174 |- | Input -| 0,1,2,3,4 +| 2 +| PSBT_IN_PARTIAL_SIG +| BIP 174 +|- +| Input +| 3 +| PSBT_IN_SIGHASH_TYPE +| BIP 174 +|- +| Input +| 4 +| PSBT_IN_REDEEM_SCRIPT +| BIP 174 +|- +| Input +| 5 +| PSBT_IN_WITNESS_SCRIPT +| BIP 174 +|- +| Input +| 6 +| PSBT_IN_BIP32_DERIVATION +| BIP 174 +|- +| Input +| 7 +| PSBT_IN_FINAL_SCRIPTSIG +| BIP 174 +|- +| Input +| 8 +| PSBT_IN_FINAL_SCRIPTWITNESS +| BIP 174 +|- +| Output +| 0 +| PSBT_OUT_REDEEM_SCRIPT +| BIP 174 +|- +| Output +| 1 +| PSBT_OUT_WITNESS_SCRIPT +| BIP 174 +|- +| Output +| 2 +| PSBT_OUT_BIP32_DERIVATION | BIP 174 |} diff --git a/bip-0174/coinjoin-workflow.png 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minimum height=5em] + \tikzstyle{block_rounded} = [rectangle, + draw=black, thick, fill=white, + text width=8em, text centered, + minimum height=5em, + rounded corners] + \begin{tikzpicture}[auto] + % outlining the flowchart on a grid + \matrix[column sep=3ex,row sep=2ex]{ + \node [block_center] (0alice1) + {Alice creates a PSBT with only her inputs + with UTXOs filled in.\\Sends it to Bob.}; + & + \node [block_center] (1bob1) + {Bob adds his inputs and fills in his + UTXOs.}; + & + \node [block_center] (2carol1) + {Carol adds her inputs, fills in her + UTXOs, adds signatures, and finalizes her inputs.}; + \\ + \node [block_rounded] (5alice2) + {Alice extracts the network serialized + transaction and broadcasts it.}; + & + \node [block_center] (4alice1) + {Alice signs the transaction, adds her + signatures, and finalizes her inputs.}; + & + \node [block_center] (3bob2) + {Bob signs the transaction, adds his + signatures, and finalizes his inputs.}; + \\ + };% end matrix + % connecting nodes with paths + \draw[line width = 1pt, ->] + (0alice1) edge (1bob1) + (1bob1) edge (2carol1) + (2carol1) edge (3bob2) + (3bob2) edge (4alice1) + (4alice1) edge (5alice2); + \end{tikzpicture} +\end{document} diff --git a/bip-0174/multisig-workflow.png b/bip-0174/multisig-workflow.png Binary files differdeleted file mode 100644 index 0e752c5..0000000 --- a/bip-0174/multisig-workflow.png +++ /dev/null diff --git a/bip-0174/multisig-workflow.svg b/bip-0174/multisig-workflow.svg new file mode 100644 index 0000000..951b49e --- /dev/null +++ b/bip-0174/multisig-workflow.svg @@ -0,0 +1,894 @@ +<?xml version="1.0" encoding="UTF-8"?> +<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="375.988pt" height="411.906pt" viewBox="0 0 375.988 411.906" version="1.1"> +<defs> +<g> +<symbol overflow="visible" id="glyph0-0"> +<path style="stroke:none;" d=""/> +</symbol> +<symbol overflow="visible" id="glyph0-1"> +<path style="stroke:none;" d="M 6.359375 0 L 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+\begin{document} +% \sffamily{} + \tikzstyle{block_center} = + [rectangle, draw=black, thick, fill=white, + text width=10.5em, text centered, + minimum height=1em] + \tikzstyle{block_rounded} = [rectangle, + draw=black, thick, fill=white, + text width=8em, text centered, + minimum height=5em, + rounded corners] + \begin{tikzpicture}[auto] + % outlining the flowchart on a grid + \matrix[column sep=3ex,row sep=2.5ex]{ + \h & + \node [block_center] (R1) + {Alice, Bob and Carol + wish to spend from a + 2-of-3 Multisig.}; + & \h \\ + \h & + \node [block_center] (R2) + {Alice uses a full node + to create a PSBT with + all input UTXOs filled in.}; + & \h \\ + \h & + \node [block_center] (R3) + {PSBT distributed.}; + & \h \\ + \node [block_center] (R4C1) + {Alice signs the + PSBT with her wallet.}; + & + \node [block_center] (R4C2) + {Bob signs the PSBT + with his SPV wallet.}; + & + \node [block_center] (R4C3) + {Carol signs the PSBT + with a completely + offline signing machine.}; + \\ + %~ \h & \node (blind) & \h \\ + \h & + \node [block_center] (R5) + {PSBTs are returned + to Alice.}; + & \h \\ + \h & + \node [block_center] (R6) + {Alices combines the + PSBTs. All inputs now + have 3 signatures.}; + & \h \\ + \h & + \node [block_center] (R7) + {Alice finalizes the PSBT + by creating each input's + final scriptSig. One signature + for each input is dropped.}; + & \h \\ + \h & + \node [block_rounded] (stop) + {Alice extracts the network + serialized transaction and + broadcasts it to the network.}; + & \h \\ + };% end matrix + % connecting nodes with paths +% \begin{pgfonlayer}{bg} + \draw[line width = 1pt, ->] + (R1) edge (R2) + (R2) edge (R3) + (R3) -| (R4C1) + (R3) edge (R4C2) + (R5) edge (R6) + (R6) edge (R7) + (R7) edge (stop); + % circumvent missing arrow + \draw[line width = 1pt, ->] + (R4C1) |-+(0,-2.2em)-| (R5) + (R4C2) edge (R5) + (R4C3) |-+(0,-2.2em)-| (R5) + (R3) -| (R4C3); +% \end{pgfonlayer} + \end{tikzpicture} +\end{document} diff --git a/bip-0178.mediawiki b/bip-0178.mediawiki new file mode 100644 index 0000000..439774e --- /dev/null +++ b/bip-0178.mediawiki @@ -0,0 +1,75 @@ +<pre> + BIP: 178 + Layer: Applications + Title: Version Extended WIF + Author: Karl-Johan Alm <karljohan-alm@garage.co.jp> + Comments-Summary: No comments yet. + Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0178 + Status: Draft + Type: Standards Track + Created: 2018-04-04 + License: CC0-1.0 +</pre> + +== Abstract == + +An extension to the Wallet Import Format (WIF) to specify what kind of bitcoin address the private key corresponds to. + +== Motivation == + +There are several types of bitcoin addresses which can all be associated with a given private key: P2PKH (legacy <code>1...</code> format), P2SH-P2WPKH (SegWit public key inside P2SH), P2WPKH (bech32), etc. + +While private keys have a 1-byte suffix indicating whether the corresponding public key is compressed (<code>0x01</code>) or not (through suffix absence), there is no way of knowing what kind of bitcoin address were associated with the private key. As a result, when importing a private key, the wallet has to assume all kinds, and keep track of each possible alternative. + +By extending the suffix, we can specify what kind of bitcoin address was associated with a given private key. + +== Specification == + +Currently, private keys are stored as a uint256 (private key data) followed by an optional uint8 (compressed flag). The latter is extended to specify the address types: + +{|class="wikitable" style="text-align: center;" +|- +!Value +!Type +!Compr +!Clarification +|- +|No suffix||P2PKH_UNCOMPRESSED||No||Uncompressed legacy public key. Unknown public key format +|- +|<code>0x01</code>||P2PKH_COMPRESSED||Yes||Compressed legacy public key. Unknown public key format +|- +|<code>0x10</code>||P2PKH||Yes||Compressed legacy public key. Legacy public key format (<code>1...</code>) +|- +|<code>0x11</code>||P2WPKH||Yes||Bech32 format (native Segwit) +|- +|<code>0x12</code>||P2WPKH_P2SH||Yes||Segwit nested in BIP16 P2SH (<code>3...</code>) +|} + +When a wallet imports a private key, it will have two outcomes: + +* the key is using one of the legacy types, in which case all types must be accounted for +* the key is using one of the extended types, in which case the wallet need only track the specific corresponding address + +Note: the difference between `0x01` and `0x10` is that the former can correspond to any of the types above, whereas the latter *only* corresponds to a P2PKH (legacy non-segwit). + +== Compatibility == + +This proposal is not backwards compatible, in that software that does not recognize the new types will not understand the compressed flag. It would be trivial to change this, by keeping the 'uncompressed' state as it is (no suffix) and changing 'compressed' to be 'anything not 0', as opposed to 'the value 1'. + +The proposal ''is'' backwards compatible in that new wallet software will always understand the old WIF format, however. It will, as it does today, assume that any kind of bitcoin address is possible, and will have to track all of them, as it has to today. + +== Acknowledgements == + +This BIP is based on the initial proposal by Thomas Voegtlin (thomasv at electrum dot org) on the Bitcoin Dev mailing list<ref>https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2017-September/015007.html</ref> and the Electrum 3.0 implementation<ref>https://github.com/spesmilo/electrum/blob/82e88cb89df35288b80dfdbe071da74247351251/RELEASE-NOTES#L95-L108</ref> + +== Reference implementation == + +There is a partial implementation which adds, but does not use, the types described in this BIP here: https://github.com/bitcoin/bitcoin/pull/12869 + +== References == + +<references/> + +== Copyright == + +This document is licensed under the Creative Commons CC0 1.0 Universal license. diff --git a/bip-0199.mediawiki b/bip-0199.mediawiki index 887804a..e463c7f 100644 --- a/bip-0199.mediawiki +++ b/bip-0199.mediawiki @@ -38,8 +38,7 @@ The script takes the following form: ===Interaction=== -* Victor (the "buyer") and Peggy (the "seller") exchange public keys and mutually agree upon a timeout threshold. Peggy provides a hash digest. Both parties can now -construct the script and P2SH address for the HTLC. +* Victor (the "buyer") and Peggy (the "seller") exchange public keys and mutually agree upon a timeout threshold. Peggy provides a hash digest. Both parties can now construct the script and P2SH address for the HTLC. * Victor sends funds to the P2SH address. * Either: ** Peggy spends the funds, and in doing so, reveals the preimage to Victor in the transaction; OR |
