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This switches the Merkle tree logic for blocks to one that runs in constant (small) space.
The old code is moved to tests, and a new test is added that for various combinations of
block sizes, transaction positions to compute a branch for, and mutations:
* Verifies that the old code and new code agree for the Merkle root.
* Verifies that the old code and new code agree for the Merkle branch.
* Verifies that the computed Merkle branch is valid.
* Verifies that mutations don't change the Merkle root.
* Verifies that mutations are correctly detected.
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* Don't allow off-by-one or more
* Make clear dust is coupled with minRelayTxFee
* Check rounding for odd values
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Based on the earlier BIP66 soft-fork logic implemented by Pieter
Wuille's 5a47811da5158df763aa2fca09ce646ee0c51e7b
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af3208b Resolve issue 3166. These changes decode valid SIGHASH types on signatures in assembly (asm) representations of scriptSig scripts. This squashed commit incorporates substantial helpful feedback from jtimon, laanwj, and sipa. (mruddy)
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Assume that when a wallet transaction has a valid block hash and transaction position
in it, the transaction is actually there. We're already trusting wallet data in a
much more fundamental way anyway.
To prevent backward compatibility issues, a new record is used for storing the
block locator in the wallet. Old wallets will see a wallet file synchronized up
to the genesis block, and rescan automatically.
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These changes decode valid SIGHASH types on signatures in assembly (asm) representations of scriptSig scripts.
This squashed commit incorporates substantial helpful feedback from jtimon, laanwj, and sipa.
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0aad1f1 Exempt unspendable transaction outputs from dust checks (zathras-crypto)
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Since unspendable outputs can't be spent, there is no threshold at which it would be uneconomic to spend them.
This primarily targets transaction outputs with `OP_RETURN`.
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Initially based on:
commit 9cf0ae26350033d43d5dd3c95054c0d1b1641eda
Author: zathras-crypto <zathrasc@gmail.com>
Date: Wed Mar 25 02:04:02 2015 -0700
Changes:
- cherry-picked on top of bitcoin:master
- added RPC test for fundrawtransaction
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CTransAction::IsEquivalentTo was introduced in #5881.
This functionality is only useful to the wallet, and should never have
been added to the primitive transaction type.
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5d34e16 Add txn_clone.py test (Tom Harding)
defd2d5 Better txn_doublespend.py test (Tom Harding)
b2b3619 Implement CTransaction::IsEquivalentTo(...) (Tom Harding)
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Define CTransaction::IsEquivalentTo(const CTransaction& tx)
True if only scriptSigs are different. In other words, true if
the two transactions are malleability clones. In other words,
true if the two transactions have the same effect on the
outside universe.
In the wallet, only SyncMetaData for equivalent transactions.
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1d9b378 qa/rpc-tests/wallet: Tests for sendmany (Luke Dashjr)
40a7573 rpcwallet/sendmany: Just take an array of addresses to subtract fees from, rather than an Object with all values being identical (Luke Dashjr)
292623a Subtract fee from amount (Cozz Lovan)
90a43c1 [Qt] Code-movement-only: Format confirmation message in sendcoinsdialog (Cozz Lovan)
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Fixes #2724 and #1570.
Adds the
automatically-subtract-the-fee-from-the-amount-and-send-whats-left
feature to the GUI and RPC (sendtoaddress,sendmany).
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Removes variability between LE and BE.
As suggested by @sipa.
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bf6cdeb Increase coverage of DERSIG edge cases (Pieter Wuille)
819bcf9 Add RPC test for DERSIG BIP switchover logic (Pieter Wuille)
5a47811 BIP66 changeover logic (Pieter Wuille)
092e9fe Example unit tests from BIP66 (Pieter Wuille)
80ad135 Change IsDERSignature to BIP66 implementation (Pieter Wuille)
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bdb6a71 IsNull doesn't change CBlockLocator, add const hint (Pavel Janík)
1b37333 Remove no longer needed declaration of CBlockLocator (Pavel Janík)
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Replace x=0 with .SetNull(),
x==0 with IsNull(), x!=0 with !IsNull().
Replace uses of uint256(0) with uint256().
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Github-Pull: #5494
Rebased-From: 15de949bb9277e442302bdd8dee299a8d6deee60
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