Browse Source
Merge pull request #1285 from bitcoinjs/fixBlock
Fix Block to allow regtest target (easiest possible target)
v4
Jonathan Underwood
6 years ago
committed by
GitHub
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with
5 additions and
1 deletions
-
src/block.js
-
test/fixtures/block.json
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@ -145,7 +145,7 @@ Block.calculateTarget = function (bits) { |
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const exponent = ((bits & 0xff000000) >> 24) - 3 |
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const exponent = ((bits & 0xff000000) >> 24) - 3 |
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const mantissa = bits & 0x007fffff |
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const mantissa = bits & 0x007fffff |
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const target = Buffer.alloc(32, 0) |
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const target = Buffer.alloc(32, 0) |
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target.writeUInt32BE(mantissa, 28 - exponent) |
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target.writeUIntBE(mantissa, 29 - exponent, 3) |
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return target |
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return target |
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} |
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} |
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@ -19,6 +19,10 @@ |
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{ |
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{ |
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"bits": "cffca00", |
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"bits": "cffca00", |
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"expected": "00000000000000000000000000000000000000007fca00000000000000000000" |
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"expected": "00000000000000000000000000000000000000007fca00000000000000000000" |
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}, |
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{ |
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"bits": "207fffff", |
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"expected": "7fffff0000000000000000000000000000000000000000000000000000000000" |
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} |
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} |
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], |
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], |
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"valid": [ |
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"valid": [ |
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