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`testmempoolaccept "hexstring"` will give a "JSON parse error". The correct syntax is `testmempoolaccept \[\"hexstring\"\]` (but seems escaping is not displayed in other areas so leaving backspaces out).
Github-Pull: #14966
Rebased-From: b74a52192bcefea6fdc38f244e9500ce5868a0b5
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Github-Pull: #14890
Rebased-From: fa4c8679ed94f215ce895938f7c3c169a2ce101e
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Github-Pull: #14356
Rebased-From: 88a79cb436b30b39d37d139da723f5a31e9d161b
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Remove redundant arguments to SignPSBTInput -- since it needs several
bits of the PartiallySignedTransaction, pass in a reference instead of
doing it piecemeal. This saves us having to pass in both a PSBTInput and
its index, as well as having to pass in the CTransaction. Also avoid
redundantly passing the sighash_type, which is contained in the
PSBTInput already.
Github-Pull: #14588
Rebased-From: 0f5bda2bd941686620ef0eb90bd7ed973cc7ef73
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Refactor out a "PSBTInputSigned" function to check if a PSBT is signed,
for use in subsequent commits.
Also improve a related comment.
GitHub-Pull: #14588
Rebased-From: 53e6fffb8f5b10f94708d33d667a67cb91c2d09d
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Use .str() instead of .data() and .size() when converting CDataStream to
a string. Uses std::string, avoiding conversion to a C string.
Github-Pull: #14588
Rebased-From: fe5d22bc676f158e8d567d71edb3451118759d62
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Github-Pull: #13968
Rebased-From: 2252ec50085c151e7998ca9a30cda6a33ee862b6
Tree-SHA512: 1f9978ee25fbe9bb338af19d81b401fa531d314ac8288cdb21c1bf10459edea50b43e2d5e97c9bb5fe24c8db89363f8233c0a3d96066ed85f7bd6d2eb234aac0
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Most of the code uses UniValue::pushKV where appropriate, but some new
RPC code related to PSBTs did not.
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020628e3a4e88e36647eaf92bac4b3552796ac6a Tests for PSBT (Andrew Chow)
a4b06fb42eb0ad94e562ca839391b57e69285136 Create wallet RPCs for PSBT (Andrew Chow)
c27fe419efb3b6588c400d764122ffb33375e028 Create utility RPCs for PSBT (Andrew Chow)
8b5ef2793748065727a9a2498805ae5b269dcb4f SignPSBTInput wrapper function (Andrew Chow)
58a8e28918025c28f19ba19cbaa4a72374162942 Refactor transaction creation and transaction funding logic (Andrew Chow)
e9d86a43ad8b1ab83b324e9a7a64c43a61337501 Methods for interacting with PSBT structs (Andrew Chow)
12bcc64f277f642ece03c25653e726f2276f0d51 Add pubkeys and whether input was witness to SignatureData (Andrew Chow)
41c607f09badb2c3ed58ff6fb17a8ebbef2cdabd Implement PSBT Structures and un/serialization methods per BIP 174 (Andrew Chow)
Pull request description:
This Pull Request fully implements the [updated](https://github.com/bitcoin/bips/pull/694) BIP 174 specification. It is based upon #13425 which implements the majority of the signing logic.
BIP 174 specifies a binary transaction format which contains the information necessary for a signer to produce signatures for the transaction and holds the signatures for an input while the input does not have a complete set of signatures.
This PR contains structs for PSBT, serialization, and deserialzation code. Some changes to `SignatureData` have been made to support detection of UTXO type and storing public keys.
***
Many RPCs have been added to handle PSBTs.
`walletprocesspsbt` takes a PSBT format transaction, updates the PSBT with any inputs related to this wallet, signs, and finalizes the transaction. There is also an option to not sign and just update.
`walletcreatefundedpsbt` creates a PSBT from user provided data in the same form as createrawtransaction. It also funds the transaction and takes an options argument in the same form as `fundrawtransaction`. The resulting PSBT is blank with no input or output data filled in. It is analogous to a combination of `createrawtransaction` and `fundrawtransaction`
`decodepsbt` takes a PSBT and decodes it to JSON. It is analogous to `decoderawtransaction`
`combinepsbt` takes multiple PSBTs for the same tx and combines them. It is analogous to `combinerawtransaction`
`finalizepsbt` takes a PSBT and finalizes the inputs. If all inputs are final, it extracts the network serialized transaction and returns that instead of a PSBT unless instructed otherwise.
`createpsbt` is like `createrawtransaction` but for PSBTs instead of raw transactions.
`convertpsbt` takes a network serialized transaction and converts it into a psbt. The resulting psbt will lose all signature data and an explicit flag must be set to allow transactions with signature data to be converted.
***
This supersedes #12136
Tree-SHA512: 1ac7a79e5bc669933f0a6fcc93ded55263fdde9e8c144a30266b13ef9f62aacf43edd4cbca1ffbe003090b067e9643c9298c79be69d7c1b10231b32acafb6338
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walletprocesspsbt takes a PSBT format transaction, updates the
PSBT with any inputs related to this wallet, signs, and finalizes
the transaction. There is also an option to not sign and just
update.
walletcreatefundedpsbt creates a PSBT from user provided data
in the same form as createrawtransaction. It also funds the transaction
and takes an options argument in the same form as fundrawtransaction.
The resulting PSBT is blank with no input or output data filled
in.
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decodepsbt takes a PSBT and decodes it to JSON
combinepsbt takes multiple PSBTs for the same tx and combines them.
finalizepsbt takes a PSBT and finalizes the inputs. If all inputs
are final, it extracts the network serialized transaction and returns
that instead of a PSBT unless instructed otherwise.
createpsbt is like createrawtransaction but for PSBTs instead of
raw transactions.
convertpsbt takes a network serialized transaction and converts it
into a psbt. The resulting psbt will lose all signature data and
an explicit flag must be set to allow transactions with signature
data to be converted.
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In preparation for more create transaction and fund transcation RPCs,
refactor the transaction creation and funding logic into separate
functions.
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but missing
685d1d8115f61b15115d80523dd8273f0a816534 [tests] Check signrawtransaction* errors on missing prevtx info (Anthony Towns)
a3b065b51fb333d976108a1fe34b7f663fd67285 Error on missing amount in signrawtransaction* (Anthony Towns)
Pull request description:
Signatures using segregated witness commit to the amount being spent, so that value must be passed into signrawtransactionwithkey and signrawtransactionwithwallet. This ensures an error is issued if that doesn't happen, rather than just assuming the value is 0 and producing a signature that is almost certainly invalid.
Based on Ben Woosley's #12458, Fixes: #12429.
Tree-SHA512: 8e2ff89d5bcf79548e569210af0d850028bc98d86c149b92207c9300ab1d63664a7e2b222c1be403a15941aa5cf36ccc3c0d570ee1c1466f3496b4fe06c17e11
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structure
d280617bf569f84457eaea546541dc74c67cd1e4 [qa] Add a test for merkle proof malleation (Suhas Daftuar)
ed82f1700006830b6fe34572b66245c1487ccd29 have verifytxoutproof check the number of txns in proof structure (Gregory Sanders)
Pull request description:
Recent publication of a weakness in Bitcoin's merkle tree construction demonstrates many SPV applications vulnerable to an expensive to pull off yet still plausible attack: https://bitslog.wordpress.com/2018/06/09/leaf-node-weakness-in-bitcoin-merkle-tree-design/
This change would at least allow `verifytxoutproof` to properly validate that the proof matches a known block, with known number of transactions any time after the full block is processed. This should neuter the attack entirely.
The negative is that a header-only processed block/future syncing mode would cause this to fail until the node has imported the data required.
related: #13451
`importprunedfunds` needs this check as well. Can expand it to cover this if people like the idea.
Tree-SHA512: 0682ec2b622a38b29f3f635323e0a8b6fc071e8a6fd134c954579926ee7b516e642966bafa667016744ce49c16e19b24dbc8801f982a36ad0a6a4aff6d93f82b
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ProduceSignature (PSBT signer logic)
b81560029 Remove CombineSignatures and replace tests (Andrew Chow)
ed94c8b55 Replace CombineSignatures with ProduceSignature (Andrew Chow)
0422beb9b Make SignatureData able to store signatures and scripts (Andrew Chow)
b6edb4f5e Inline Sign1 and SignN (Andrew Chow)
Pull request description:
Currently CombineSignatures is used to create the final scriptSig or an input. However ProduceSignature is capable of doing this itself. Using both CombineSignatures and ProduceSignature results in code duplication which is unnecessary.
To move the scriptSig construction to ProduceSignatures, the SignatureData class contains two maps to hold pubkeys mapped to signatures, and script ids mapped to scripts. DataFromTransaction is extended to be able to extract signatures, their public keys, and scripts from existing ScriptSigs.
The SignaureData are then passed down to SignStep which can use the aforementioned maps to get the signatures, pubkeys, and scripts that it needs, falling back to the actual SigningProvider and SignatureCreator if the data are not available in the SignatureData.
Additionally, Sign1 and SignN have been removed and their functionality inlined into SignStep since Sign1 is really just a wrapper around CreateSig.
Since ProduceSignature can produce the final scriptSig or scriptWitness by using SignatureData which has extracted data from the transaction, CombineSignatures is unnecessary as ProduceSignature is able to replicate all of CombineSignatures' functionality.
This also furthers BIP 174 support and begins moving towards a BIP 174 style backend.
The tests have also been updated to use the new combining methodology.
Tree-SHA512: 78cd58a4ebe37f79229bd5eee2958a0bb45cd7f36d0e993eee13ff685b3665dd76ef2dfd5f47d34678995bb587f5594100ee5f6c09b1c69ee96d3684d470d01e
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shutdown.h
1fabd59e7 Break circular dependency: init -> * -> init by extracting shutdown.h (Ben Woosley)
e62fdfeea Drop unused init.h includes (Ben Woosley)
Pull request description:
Most includers just wanted to react to pending shutdown.
This isolates access to `fRequestShutdown` and limits access to the shutdown api functions, including the new `CancelShutdown` for setting it to `false`.
Tree-SHA512: df42f75dfbba163576710e9a67cf1228531fd99d70a2f187bfba0bcc476d6749cf88180a97e66a81bb5b6c3c7f0917de7402d26039ba7b644cb7509b02f7e267
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Instead of using CombineSignatures to create the final scriptSig or
scriptWitness of an input, use ProduceSignature itself.
To allow for ProduceSignature to place signatures, pubkeys, and scripts
that it does not know about, we pass down the SignatureData to SignStep
which pulls out the information that it needs from the SignatureData.
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In addition to having the scriptSig and scriptWitness, have SignatureData
also be able to store just the signatures (pubkeys mapped to sigs) and
scripts (script ids mapped to scripts).
Also have DataFromTransaction be able to extract signatures and scripts
from the scriptSig and scriptWitness of an input to put them in SignatureData.
Adds a new SignatureChecker which takes a SignatureData and puts pubkeys
and signatures into it when it successfully verifies a signature.
Adds a new field in SignatureData which stores whether the SignatureData
was complete. This allows us to also update the scriptSig and
scriptWitness to the final one when updating a SignatureData with another
one.
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Signatures using segregated witness commit to the amount being spent,
so that value must be passed into signrawtransactionwithkey and
signrawtransactionwithwallet. This ensures an error is issued if that
doesn't happen, rather than just assuming the value is 0 and producing
a signature that is almost certainly invalid.
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These were entirely unused, as based on successful compilation
and a grep for:
\bStartShutdown\(\)|\bShutdownRequested\(\)|\bInterrupt\(\)|\bShutdown\(\)|\bInitLogging\(\)|\bInitParameterInteraction\(\)|\bAppInitBasicSetup\(\)|\bAppInitParameterInteraction\(\)|\bAppInitSanityChecks\(\)|\bAppInitLockDataDirectory\(\)|\bAppInitMain\(\)|\bSetupServerArgs\(\)|\bLicenseInfo\(\)|g_wallet_init_interface|init.h
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6aa33feadbe11bfa505a80a691d84db966aca134 Drop UpdateTransaction in favor of UpdateInput (Ben Woosley)
Pull request description:
Updating the input explicitly requires the caller to present a mutable
input, which more clearly communicates the effects and intent of the call
(and, often, the enclosing loop).
In most cases, this input is already immediately available and need not be
looked up.
Tree-SHA512: 8c7914a8b7ae975d8ad0e9d760e3c5da65776a5f79d060b8ffb6b3ff7a32235f71ad705f2185b368d9263742d7796bb562395d22b806d90e8502d8c496011e57
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Updating the input explicitly requires the caller to present a mutable
input, which more clearly communicates the effects and intent of the method.
In most cases, this input is already immediately available and need not be
looked up.
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Do not share functions that are meant to be translation unit local with
other translation units. Use internal linkage for those consistently.
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41ff967 list the types of scripts we should consider for a witness program (fivepiece)
4f933b3 p2wpkh, p2wsh and p2sh-nested scripts in decodescript (fivepiece)
Pull request description:
Attempts to address #12244 . `p2wsh` addresses are returned only for scripts that are neither `p2sh` nor any witness program.
Tree-SHA512: eb47f094c1a4c2ad2bcf27a8032307e43cf787d50bf739281aeb4101d97316a2f307b05118bf138298c937fa34e15f91436443a9b313f809fad2c43e94cd1831
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Now that the transaction index is updated asynchronously, in order to
preserve the current behavior of public interfaces, the code blocks
until the transaction index is caught up with the current state of the
blockchain.
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be67831 Make DummySignatureCreator a singleton (Pieter Wuille)
190b8d2 Make BaseSignatureCreator a pure interface (Pieter Wuille)
Pull request description:
* Removes the `m_provider` field from `BaseSignatureCreator`. Instead both a `SigningProvider` (which provides keys and scripts) and a `BaseSignatureCreator` (which implements the transaction-specific (or other) signing logic) are passed into and down in `ProduceSignature`, making the two concepts orthogonal.
* Makes `BaseSignatureCreator` a pure interface without constructor, making it easier to implement new derivations of it (for example for message signing).
* As `DummySignatureCreator` now becomes a stateless object, turn it into a singleton `DUMMY_SIGNATURE_CREATOR`.
Tree-SHA512: 5f1f4512e4ea7d02a31df7b9ede55008efa716c5b74a2630ca1c2fc6599584d8bf5f5641487266127f4b3788033803539fbd22b03ef1219c83c10da2d3da3dcd
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These other types are already tested on line 736.
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b55555d rpc: Add testmempoolaccept (MarcoFalke)
Pull request description:
To check if a single raw transaction makes it into the current transaction pool, one had to call `sendrawtransaction`. However, on success, this adds the transaction to the mempool with no easy way to undo.
The call `testmempoolaccept` is introduced to provide a way to solely check the result without changing the mempool state.
Tree-SHA512: 5afd9311190135cee8fc1f229c7d39bf893f1028f29e28d34f70df820198ff97b4bf86b41cbbd6e6c36a5c30073cefa92d541c74a4939c7a2a6fa283dfd41b63
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92fabcd44 Add LookupBlockIndex function (João Barbosa)
43a32b739 Add missing cs_lock in CreateWalletFromFile (João Barbosa)
f814a3e8f Fix cs_main lock in LoadExternalBlockFile (João Barbosa)
c651df8b3 Lock cs_main while loading block index in AppInitMain (João Barbosa)
02de6a6bc Assert cs_main is held when accessing mapBlockIndex (João Barbosa)
Pull request description:
Replace all `mapBlockIndex` lookups with the new `LookupBlockIndex()`. In some cases it avoids a second lookup.
Tree-SHA512: ca31118f028a19721f2191d86f2dd398144d04df345694575a64aeb293be2f85785201480c3c578a0ec99690516205708558c0fd4168b09313378fd4e60a8412
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fac70134a rpc: Update createrawtransaction examples (MarcoFalke)
fa06dfce0 [rpc] createrawtransaction: Accept sorted outputs (MarcoFalke)
8acd25d85 rpc: Allow typeAny in RPCTypeCheck (MarcoFalke)
Pull request description:
The second parameter of the `createrawtransaction` is a dictionary of the outputs. This comes with at least two drawbacks:
* In case of duplicate keys, either of them might silently disappear, with no user feedback at all. A user needs to make other mistakes, but this could eventually lead to abnormal tx fees.
* A dictionary does not guarantee that keys are sorted. Again, a user needs to keep this in mind, as it could eventually lead to excessive tx fees.
Even though my scenario of loss-of-funds is unlikely to happen, I see it as a inconvenience that should be fixed.
Tree-SHA512: cd562f34f7f9f79c7d3433805971325c388c2035611be283980f4049066a622df4f0afdc11d7ac96662260ec0115147cb65e1ab5268f5a1b063242f3fe425f77
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plus tests
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Splits signrwatransaction into a wallet version (signrawtransactionwithwallet) and
non-wallet version (signrawtransactionwithkey). signrawtransaction is marked as DEPRECATED
and will call the right signrawtransaction* command as per the parameters in order to
maintain compatibility.
Updated signrawtransactions test to use new RPCs
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5f605e1 Make signrawtransaction accept P2SH-P2WSH redeemscripts (Pieter Wuille)
Pull request description:
This is a quick fix for #12418, which is a regression in 0.16.
It permits specifying just the inner redeemscript to let `signrawtransaction` succeed. This inner redeemscript is already reported by `addmultisigaddress` & co.
#11708 uses a different approach, where `listunspent` reports both inner & outer redeemscript, but requires both to be provided to `signrawtransaction`. Part of #11708 is still needed even in combination with this PR however, as currently the inner redeemscript isn't reported by `listunspent`.
Tree-SHA512: a6fa2b2661ce04db25cf029dd31da39c0b4811d43692f816dfe0f77b4159b5e2952051664356a579f690ccd58a626e0975708afcd7ad5919366c490944e3a9a5
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