diff options
Diffstat (limited to 'bip-0143.mediawiki')
| -rw-r--r-- | bip-0143.mediawiki | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/bip-0143.mediawiki b/bip-0143.mediawiki index 476b84d..f3ad23d 100644 --- a/bip-0143.mediawiki +++ b/bip-0143.mediawiki @@ -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 commited 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 commited, 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). @@ -282,7 +282,7 @@ This example shows how <code>OP_CODESEPARATOR</code> and out-of-range <code>SIGH The second input comes from a native P2WSH witness program: scriptPubKey : 00205d1b56b63d714eebe542309525f484b7e9d6f686b3781b6f61ef925d66d6f6a0, value: 49 witnessScript: 21026dccc749adc2a9d0d89497ac511f760f45c47dc5ed9cf352a58ac706453880aeadab210255a9626aebf5e29c0e6538428ba0d1dcf6ca98ffdf086aa8ced5e0d0215ea465ac - <026dccc749adc2a9d0d89497ac511f760f45c47dc5ed9cf352a58ac706453880ae> CHECKSIGVERIFY CODESEPERATOR <0255a9626aebf5e29c0e6538428ba0d1dcf6ca98ffdf086aa8ced5e0d0215ea465> CHECKSIG + <026dccc749adc2a9d0d89497ac511f760f45c47dc5ed9cf352a58ac706453880ae> CHECKSIGVERIFY CODESEPARATOR <0255a9626aebf5e29c0e6538428ba0d1dcf6ca98ffdf086aa8ced5e0d0215ea465> CHECKSIG To sign it with a nHashType of 3 (SIGHASH_SINGLE): @@ -338,12 +338,12 @@ This example shows how unexecuted <code>OP_CODESEPARATOR</code> is processed, an The first input comes from a native P2WSH witness program: scriptPubKey: 0020ba468eea561b26301e4cf69fa34bde4ad60c81e70f059f045ca9a79931004a4d value: 0.16777215 witnessScript:0063ab68210392972e2eb617b2388771abe27235fd5ac44af8e61693261550447a4c3e39da98ac - 0 IF CODESEPERATOR ENDIF <0392972e2eb617b2388771abe27235fd5ac44af8e61693261550447a4c3e39da98> CHECKSIG + 0 IF CODESEPARATOR ENDIF <0392972e2eb617b2388771abe27235fd5ac44af8e61693261550447a4c3e39da98> CHECKSIG The second input comes from a native P2WSH witness program: scriptPubKey: 0020d9bbfbe56af7c4b7f960a70d7ea107156913d9e5a26b0a71429df5e097ca6537 value: 0.16777215 witnessScript:5163ab68210392972e2eb617b2388771abe27235fd5ac44af8e61693261550447a4c3e39da98ac - 1 IF CODESEPERATOR ENDIF <0392972e2eb617b2388771abe27235fd5ac44af8e61693261550447a4c3e39da98> CHECKSIG + 1 IF CODESEPARATOR ENDIF <0392972e2eb617b2388771abe27235fd5ac44af8e61693261550447a4c3e39da98> CHECKSIG To sign it with a nHashType of 0x83 (SINGLE|ANYONECANPAY): |