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bitcore-wallet-service
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add more info to response

This commit is contained in:
Ivan Socolsky 2016-03-18 16:32:11 -03:00
parent 6b8af51993
commit 6d8b4e70b6
2 changed files with 45 additions and 13 deletions
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36
lib/server.js
View File

@ -1177,13 +1177,19 @@ WalletService.prototype.getSendMaxInfo = function(opts, cb) {
amount: 0, amount: 0,
fee: 0, fee: 0,
inputs: [], inputs: [],
utxosBelowFee: 0,
amountBelowFee: 0,
utxosAboveMaxSize: 0,
amountAboveMaxSize: 0,
}; };
var inputs = _.reject(utxos, 'locked'); var inputs = _.reject(utxos, 'locked');
if (!!opts.excludeUnconfirmedUtxos) { if (!!opts.excludeUnconfirmedUtxos) {
inputs = _.filter(inputs, 'confirmations'); inputs = _.filter(inputs, 'confirmations');
} }
inputs = _.sortBy(inputs, 'satoshis'); inputs = _.sortBy(inputs, function(input) {
return -input.satoshis;
});
if (_.isEmpty(inputs)) return cb(null, info); if (_.isEmpty(inputs)) return cb(null, info);
@ -1195,17 +1201,27 @@ WalletService.prototype.getSendMaxInfo = function(opts, cb) {
feePerKb: opts.feePerKb, feePerKb: opts.feePerKb,
}); });
var lastFee = txp.getEstimatedFee(); var baseTxpSize = txp.getEstimatedSize();
_.eachRight(inputs, function(input) { var baseTxpFee = baseTxpSize * txp.feePerKb / 1000.;
txp.inputs.push(input); var sizePerInput = txp.getEstimatedSizeForSingleInput();
var fee = txp.getEstimatedFee(); var feePerInput = sizePerInput * txp.feePerKb / 1000.;
var sizeInKb = txp.getEstimatedSize() / 1000.;
if (fee - lastFee > input.satoshis || sizeInKb > Defaults.MAX_TX_SIZE_IN_KB) { var partitionedByAmount = _.partition(inputs, function(input) {
txp.inputs.pop(); return input.satoshis > feePerInput;
});
info.utxosBelowFee = partitionedByAmount[1].length;
info.amountBelowFee = _.sum(partitionedByAmount[1], 'satoshis');
inputs = partitionedByAmount[0];
_.each(inputs, function(input, i) {
var sizeInKb = (baseTxpSize + (i + 1) * sizePerInput) / 1000.;
if (sizeInKb > Defaults.MAX_TX_SIZE_IN_KB) {
info.utxosAboveMaxSize = inputs.length - i;
info.amountAboveMaxSize = _.sum(_.slice(inputs, i), 'satoshis');
return false; return false;
} }
txp.inputs.push(input);
lastFee = fee;
}); });
if (_.isEmpty(txp.inputs)) return cb(null, info); if (_.isEmpty(txp.inputs)) return cb(null, info);

22
test/integration/server.js
View File

@ -3696,7 +3696,7 @@ describe('Wallet service', function() {
}); });
}; };
it('should be able to get send max info on empty wallet', function(done) { it('should be able to get send max info on 0 utxo wallet', function(done) {
server.getSendMaxInfo({ server.getSendMaxInfo({
feePerKb: 10000, feePerKb: 10000,
returnInputs: true, returnInputs: true,
@ -3707,6 +3707,10 @@ describe('Wallet service', function() {
info.amount.should.equal(0); info.amount.should.equal(0);
info.fee.should.equal(0); info.fee.should.equal(0);
info.inputs.should.be.empty; info.inputs.should.be.empty;
info.utxosBelowFee.should.equal(0);
info.amountBelowFee.should.equal(0);
info.utxosAboveMaxSize.should.equal(0);
info.amountAboveMaxSize.should.equal(0);
done(); done();
}); });
}); });
@ -3722,6 +3726,10 @@ describe('Wallet service', function() {
info.size.should.equal(1304); info.size.should.equal(1304);
info.fee.should.equal(info.size * 10000 / 1000.); info.fee.should.equal(info.size * 10000 / 1000.);
info.amount.should.equal(1e8 - info.fee); info.amount.should.equal(1e8 - info.fee);
info.utxosBelowFee.should.equal(0);
info.amountBelowFee.should.equal(0);
info.utxosAboveMaxSize.should.equal(0);
info.amountAboveMaxSize.should.equal(0);
sendTx(info, done); sendTx(info, done);
}); });
}); });
@ -3790,7 +3798,7 @@ describe('Wallet service', function() {
}); });
}); });
it('should ignore utxos not contributing to total amount (below their cost in fee)', function(done) { it('should ignore utxos not contributing to total amount (below their cost in fee)', function(done) {
helpers.stubUtxos(server, wallet, ['u0.1', 0.2, 0.3, 0.4, 0.000001, 0.0002, 0.0003], function() { helpers.stubUtxos(server, wallet, ['u0.1', 0.2, 0.3, 0.4, '1bit', '100bit', '200bit'], function() {
server.getSendMaxInfo({ server.getSendMaxInfo({
feePerKb: 0.001e8, feePerKb: 0.001e8,
returnInputs: true, returnInputs: true,
@ -3801,6 +3809,8 @@ describe('Wallet service', function() {
info.size.should.equal(1304); info.size.should.equal(1304);
info.fee.should.equal(info.size * 0.001e8 / 1000.); info.fee.should.equal(info.size * 0.001e8 / 1000.);
info.amount.should.equal(1e8 - info.fee); info.amount.should.equal(1e8 - info.fee);
info.utxosBelowFee.should.equal(3);
info.amountBelowFee.should.equal(301e2);
server.getSendMaxInfo({ server.getSendMaxInfo({
feePerKb: 0.0001e8, feePerKb: 0.0001e8,
returnInputs: true, returnInputs: true,
@ -3810,7 +3820,9 @@ describe('Wallet service', function() {
info.inputs.length.should.equal(6); info.inputs.length.should.equal(6);
info.size.should.equal(1907); info.size.should.equal(1907);
info.fee.should.equal(info.size * 0.0001e8 / 1000.); info.fee.should.equal(info.size * 0.0001e8 / 1000.);
info.amount.should.equal(1.0005e8 - info.fee); info.amount.should.equal(1.0003e8 - info.fee);
info.utxosBelowFee.should.equal(1);
info.amountBelowFee.should.equal(1e2);
sendTx(info, done); sendTx(info, done);
}); });
}); });
@ -3828,6 +3840,8 @@ describe('Wallet service', function() {
info.size.should.equal(0); info.size.should.equal(0);
info.fee.should.equal(0); info.fee.should.equal(0);
info.amount.should.equal(0); info.amount.should.equal(0);
info.utxosBelowFee.should.equal(3);
info.amountBelowFee.should.equal(40e2);
done(); done();
}); });
}); });
@ -3844,6 +3858,8 @@ describe('Wallet service', function() {
should.exist(info); should.exist(info);
info.size.should.be.below(2000); info.size.should.be.below(2000);
info.inputs.length.should.be.below(9); info.inputs.length.should.be.below(9);
info.utxosAboveMaxSize.should.equal(3);
info.amountAboveMaxSize.should.equal(3e8);
Defaults.MAX_TX_SIZE_IN_KB = _oldDefault; Defaults.MAX_TX_SIZE_IN_KB = _oldDefault;
sendTx(info, done); sendTx(info, done);
}); });