bumi
78b6b2e14f
Allows to seed the smart contract with development data specified in config/seeds.js Usage: truffle exec scripts/seeds.js or npm run bootstrap which runs them all: * truffle migrate --reset * truffle exec scripts/seeds.js * npm run build-json
36 lines
881 B
JavaScript
36 lines
881 B
JavaScript
var bs58 = require('bs58');
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function getBytes32FromMultiash(multihash) {
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const decoded = bs58.decode(multihash);
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return {
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digest: `0x${decoded.slice(2).toString('hex')}`,
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hashFunction: decoded[0],
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size: decoded[1],
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};
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}
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function getMultihashFromBytes32(multihash) {
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const { digest, hashFunction, size } = multihash;
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if (size === 0) return null;
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// cut off leading "0x"
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const hashBytes = Buffer.from(digest.slice(2), 'hex');
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// prepend hashFunction and digest size
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//const multihashBytes = new (hashBytes.constructor)(2 + hashBytes.length);
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const multihashBytes = new Buffer(2 + hashBytes.length);
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console.log(hashBytes.constructor);
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multihashBytes[0] = hashFunction;
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multihashBytes[1] = size;
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multihashBytes.set(hashBytes, 2);
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return bs58.encode(multihashBytes);
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}
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var m = getBytes32FromMultiash(process.argv[2]);
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console.log(m)
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