Revert "bufferutils: remove equal, use Buffer.compare"
This reverts commit 75540b6116
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See discussion in https://github.com/bitcoinjs/bitcoinjs-lib/pull/410
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f64df79555
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2 changed files with 13 additions and 2 deletions
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@ -168,6 +168,16 @@ function varIntBuffer (i) {
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return buffer
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return buffer
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}
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}
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function equal (a, b) {
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if (a.length !== b.length) return false
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for (var i = 0; i < a.length; ++i) {
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if (a[i] !== b[i]) return false
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}
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return true
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}
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function reverse (buffer) {
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function reverse (buffer) {
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var buffer2 = new Buffer(buffer)
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var buffer2 = new Buffer(buffer)
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Array.prototype.reverse.call(buffer2)
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Array.prototype.reverse.call(buffer2)
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@ -175,6 +185,7 @@ function reverse (buffer) {
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}
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}
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module.exports = {
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module.exports = {
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equal: equal,
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pushDataSize: pushDataSize,
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pushDataSize: pushDataSize,
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readPushDataInt: readPushDataInt,
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readPushDataInt: readPushDataInt,
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readUInt64LE: readUInt64LE,
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readUInt64LE: readUInt64LE,
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@ -399,7 +399,7 @@ TransactionBuilder.prototype.sign = function (index, keyPair, redeemScript, hash
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// enforce in order signing of public keys
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// enforce in order signing of public keys
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assert(input.pubKeys.some(function (pubKey, i) {
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assert(input.pubKeys.some(function (pubKey, i) {
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if (kpPubKey.compare(pubKey) !== 0) return false
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if (!bufferutils.equal(kpPubKey, pubKey)) return false
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assert(!input.signatures[i], 'Signature already exists')
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assert(!input.signatures[i], 'Signature already exists')
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@ -407,7 +407,7 @@ TransactionBuilder.prototype.sign = function (index, keyPair, redeemScript, hash
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input.signatures[i] = signature
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input.signatures[i] = signature
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return true
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return true
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}), 'key pair cannot sign for this input')
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}, this), 'key pair cannot sign for this input')
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}
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}
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module.exports = TransactionBuilder
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module.exports = TransactionBuilder
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