// TODO: remove in 4.0.0?
function readVarInt (buffer, offset) {
var result = varuint.decode(buffer, offset)
return {
number: result,
size: varuint.decode.bytes
}
}
function readVarInt () {
var vi = varuint.decode(buffer, offset)
offset += varuint.decode.bytes
return vi
}
/*
* Deserializes a hex string into a TXOBJ
* @param {String} hex string
* @return {Object} txOBJ
*/
function deserializeTx(hexStr) {
const buf = Buffer.from(hexStr, 'hex');
var offset = 0;
// Out txobj
var txObj = {
version: 0, locktime: 0, ins: [], outs: []
// Version
}; txObj.version = buf.readUInt32LE(offset);
offset += 4;
// Vins
var vinLen = varuint.decode(buf, offset);
offset += varuint.decode.bytes;
for (var i = 0; i < vinLen; i++) {
const hash = buf.slice(offset, offset + 32);
offset += 32;
const vout = buf.readUInt32LE(offset);
offset += 4;
const scriptLen = varuint.decode(buf, offset);
offset += varuint.decode.bytes;
const script = buf.slice(offset, offset + scriptLen);
offset += scriptLen;
const sequence = buf.slice(offset, offset + 4).toString('hex');
offset += 4;
txObj.ins.push({
output: { hash: hash.reverse().toString('hex'), vout: vout },
script: script.toString('hex'),
sequence: sequence,
prevScriptPubKey: ''
});
}
// Vouts
var voutLen = varuint.decode(buf, offset);
offset += varuint.decode.bytes;
for (var i = 0; i < voutLen; i++) {
const satoshis = zbufferutils.readUInt64LE(buf, offset);
offset += 8;
const scriptLen = varuint.decode(buf, offset);
offset += varuint.decode.bytes;
const script = buf.slice(offset, offset + scriptLen);
offset += scriptLen;
txObj.outs.push({
satoshis: satoshis,
script: script.toString('hex')
});
}
// Locktime
txObj.locktime = buf.readInt32LE(offset);
offset += 4;
return txObj;
}