script: refactor isCanonicalPubKey to bitcoin-core equivalent
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1 changed files with 8 additions and 9 deletions
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@ -118,18 +118,17 @@ function decompile (buffer) {
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function isCanonicalPubKey (buffer) {
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function isCanonicalPubKey (buffer) {
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if (!Buffer.isBuffer(buffer)) return false
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if (!Buffer.isBuffer(buffer)) return false
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if (buffer.length < 33) return false
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try {
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switch (buffer[0]) {
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ecurve.Point.decodeFrom(curve, buffer)
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case 0x02:
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} catch (e) {
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case 0x03:
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if (!(e.message.match(/Invalid sequence (length|tag)/))) {
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return buffer.length === 33
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throw e
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case 0x04:
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}
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return buffer.length === 65
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return false
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}
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}
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return true
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return false
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}
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}
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function isCanonicalSignature (buffer) {
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function isCanonicalSignature (buffer) {
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