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use full amount with wire fees when creating deposit permission

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This commit is contained in:
Florian Dold 2018-01-17 05:33:06 +01:00
parent c62ba4986f
commit d4c2f6f6f9
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GPG Key ID: D2E4F00F29D02A4B
4 changed files with 25 additions and 10 deletions
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5
src/crypto/cryptoApi.ts
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@ -293,8 +293,9 @@ export class CryptoApi {
}
signDeposit(contractTerms: ContractTerms,
cds: CoinWithDenom[]): Promise<PayCoinInfo> {
return this.doRpc<PayCoinInfo>("signDeposit", 3, contractTerms, cds);
cds: CoinWithDenom[],
totalAmount: AmountJson): Promise<PayCoinInfo> {
return this.doRpc<PayCoinInfo>("signDeposit", 3, contractTerms, cds, totalAmount);
}
createEddsaKeypair(): Promise<{priv: string, pub: string}> {

5
src/crypto/cryptoWorker.ts
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@ -269,7 +269,8 @@ namespace RpcFunctions {
* and deposit permissions for each given coin.
*/
export function signDeposit(contractTerms: ContractTerms,
cds: CoinWithDenom[]): PayCoinInfo {
cds: CoinWithDenom[],
totalAmount: AmountJson): PayCoinInfo {
const ret: PayCoinInfo = {
originalCoins: [],
sigs: [],
@ -282,7 +283,7 @@ namespace RpcFunctions {
let fees = Amounts.add(Amounts.getZero(feeList[0].currency), ...feeList).amount;
// okay if saturates
fees = Amounts.sub(fees, contractTerms.max_fee).amount;
const total = Amounts.add(fees, contractTerms.amount).amount;
const total = Amounts.add(fees, totalAmount).amount;
const amountSpent = native.Amount.getZero(cds[0].coin.currentAmount.currency);
const amountRemaining = new native.Amount(total);

21
src/wallet.ts
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@ -593,15 +593,23 @@ export class Wallet {
continue;
}
console.log("payment coins: wireFeeLimit", wireFeeLimit);
console.log("payment coins: wireFeeAmortization", wireFeeAmortization);
console.log("payment coins: fees", fees);
console.log("payment coins: wireMethod", wireMethod);
console.log("payment coins: wireFeeTime", wireFeeTime);
let totalFees = Amounts.getZero(currency);
let wireFee: AmountJson|undefined;
for (const fee of (fees.feesForType[wireMethod] || [])) {
if (fee.startStamp >= wireFeeTime && fee.endStamp <= wireFeeTime) {
if (fee.startStamp <= wireFeeTime && fee.endStamp >= wireFeeTime) {
wireFee = fee.wireFee;
break;
}
}
console.log("payment coins: current wire fees", wireFee);
if (wireFee) {
const amortizedWireFee = Amounts.divide(wireFee, wireFeeAmortization);
if (Amounts.cmp(wireFeeLimit, amortizedWireFee) < 0) {
@ -616,6 +624,7 @@ export class Wallet {
return {
cds: res.cds,
exchangeUrl: exchange.baseUrl,
totalAmount: remainingAmount,
totalFees,
};
}
@ -766,8 +775,8 @@ export class Wallet {
const sd = await this.getSpeculativePayData(proposalId);
if (!sd) {
const { exchangeUrl, cds } = res;
const payCoinInfo = await this.cryptoApi.signDeposit(proposal.contractTerms, cds);
const { exchangeUrl, cds, totalAmount } = res;
const payCoinInfo = await this.cryptoApi.signDeposit(proposal.contractTerms, cds, totalAmount);
purchase = await this.recordConfirmPay(proposal, payCoinInfo, exchangeUrl);
} else {
purchase = await this.recordConfirmPay(sd.proposal, sd.payCoinInfo, sd.exchangeUrl);
@ -844,8 +853,8 @@ export class Wallet {
// Only create speculative signature if we don't already have one for this proposal
if ((!this.speculativePayData) || (this.speculativePayData && this.speculativePayData.proposalId !== proposalId)) {
const { exchangeUrl, cds } = res;
const payCoinInfo = await this.cryptoApi.signDeposit(proposal.contractTerms, cds);
const { exchangeUrl, cds, totalAmount } = res;
const payCoinInfo = await this.cryptoApi.signDeposit(proposal.contractTerms, cds, totalAmount);
this.speculativePayData = {
exchangeUrl,
payCoinInfo,
@ -2456,7 +2465,7 @@ export class Wallet {
const contractTermsHash = await this.cryptoApi.hashString(canonicalJson(contractTerms));
const payCoinInfo = await this.cryptoApi.signDeposit(contractTerms, cds);
const payCoinInfo = await this.cryptoApi.signDeposit(contractTerms, cds, contractTerms.amount);
console.log("pci", payCoinInfo);

4
src/walletTypes.ts
View File

@ -415,6 +415,10 @@ export interface CoinSelectionResult {
exchangeUrl: string;
cds: CoinWithDenom[];
totalFees: AmountJson;
/**
* Total amount, including wire fees payed by the customer.
*/
totalAmount: AmountJson;
}