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wallet-core: include age restriction in p2p signature, mark coins as spent

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This commit is contained in:
Florian Dold 2022-09-05 12:55:46 +02:00
parent b1f77f4662
commit 300242637f
No known key found for this signature in database
GPG Key ID: D2E4F00F29D02A4B
2 changed files with 21 additions and 4 deletions
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12
packages/taler-wallet-core/src/crypto/cryptoImplementation.ts
View File

@ -442,6 +442,7 @@ export interface SignPurseDepositsRequest {
contribution: AmountString;
denomPubHash: string;
denomSig: UnblindedSignature;
ageCommitmentProof: AgeCommitmentProof | undefined;
}[];
}
@ -1361,11 +1362,18 @@ export const nativeCryptoR: TalerCryptoInterfaceR = {
const hExchangeBaseUrl = hash(stringToBytes(req.exchangeBaseUrl + "\0"));
const deposits: PurseDeposit[] = [];
for (const c of req.coins) {
let maybeAch: Uint8Array;
if (c.ageCommitmentProof) {
maybeAch = decodeCrock(
AgeRestriction.hashCommitment(c.ageCommitmentProof.commitment),
);
} else {
maybeAch = new Uint8Array(32);
}
const sigBlob = buildSigPS(TalerSignaturePurpose.WALLET_PURSE_DEPOSIT)
.put(amountToBuffer(Amounts.parseOrThrow(c.contribution)))
.put(decodeCrock(c.denomPubHash))
// FIXME: use h_age_commitment here
.put(new Uint8Array(32))
.put(maybeAch)
.put(decodeCrock(req.pursePub))
.put(hExchangeBaseUrl)
.build();

13
packages/taler-wallet-core/src/operations/peer-to-peer.ts
View File

@ -21,6 +21,7 @@ import {
AbsoluteTime,
AcceptPeerPullPaymentRequest,
AcceptPeerPushPaymentRequest,
AgeCommitmentProof,
AmountJson,
AmountLike,
Amounts,
@ -89,6 +90,7 @@ export interface PeerCoinSelection {
contribution: AmountString;
denomPubHash: string;
denomSig: UnblindedSignature;
ageCommitmentProof: AgeCommitmentProof | undefined;
}[];
/**
@ -115,6 +117,8 @@ interface CoinInfo {
denomPubHash: string;
denomSig: UnblindedSignature;
ageCommitmentProof: AgeCommitmentProof | undefined;
}
export async function selectPeerCoins(
@ -152,6 +156,7 @@ export async function selectPeerCoins(
denomPubHash: denom.denomPubHash,
coinPriv: coin.coinPriv,
denomSig: coin.denomSig,
ageCommitmentProof: coin.ageCommitmentProof,
});
}
if (coinInfos.length === 0) {
@ -170,6 +175,7 @@ export async function selectPeerCoins(
contribution: AmountString;
denomPubHash: string;
denomSig: UnblindedSignature;
ageCommitmentProof: AgeCommitmentProof | undefined;
}[] = [];
for (const coin of coinInfos) {
if (Amounts.cmp(amountAcc, instructedAmount) >= 0) {
@ -196,6 +202,7 @@ export async function selectPeerCoins(
contribution: Amounts.stringify(contrib),
denomPubHash: coin.denomPubHash,
denomSig: coin.denomSig,
ageCommitmentProof: coin.ageCommitmentProof,
});
}
continue;
@ -257,6 +264,7 @@ export async function initiatePeerToPeerPush(
coin.currentAmount,
Amounts.parseOrThrow(c.contribution),
).amount;
coin.status = CoinStatus.Dormant;
await tx.coins.put(coin);
}
@ -279,7 +287,7 @@ export async function initiatePeerToPeerPush(
return sel;
});
logger.info(`selected p2p coins: ${j2s(coinSelRes)}`);
logger.info(`selected p2p coins (push): ${j2s(coinSelRes)}`);
if (!coinSelRes) {
throw Error("insufficient balance");
@ -592,6 +600,7 @@ export async function acceptPeerPullPayment(
coin.currentAmount,
Amounts.parseOrThrow(c.contribution),
).amount;
coin.status = CoinStatus.Dormant;
await tx.coins.put(coin);
}
@ -608,7 +617,7 @@ export async function acceptPeerPullPayment(
return sel;
});
logger.info(`selected p2p coins: ${j2s(coinSelRes)}`);
logger.info(`selected p2p coins (pull): ${j2s(coinSelRes)}`);
if (!coinSelRes) {
throw Error("insufficient balance");