taler/wallet-core
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implement new, optimized refresh protocol

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This commit is contained in:
Florian Dold 2017-12-09 03:37:21 +01:00
parent 2e48d83b2b
commit 3e6bd6351f
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GPG Key ID: D2E4F00F29D02A4B
3 changed files with 24 additions and 14 deletions
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1
src/crypto/cryptoWorker.ts
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@ -433,6 +433,7 @@ namespace RpcFunctions {
finished: false,
hash: sessionHash.toCrock(),
meltCoinPub: meltCoin.coinPub,
newDenomHashes: newCoinDenoms.map((d) => d.denomPubHash),
newDenoms: newCoinDenoms.map((d) => d.denomPub),
norevealIndex: undefined,
preCoinsForGammas,

7
src/types.ts
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@ -748,7 +748,12 @@ export interface RefreshSessionRecord {
confirmSig: string;
/**
* Denominations of the newly requested coins
* Hased denominations of the newly requested coins.
*/
newDenomHashes: string[];
/**
* Denominations of the newly requested coins.
*/
newDenoms: string[];

30
src/wallet.ts
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@ -75,6 +75,7 @@ import {
ProposalRecord,
PurchaseRecord,
QueryPaymentResult,
RefreshPreCoinRecord,
RefreshSessionRecord,
RefundPermission,
ReserveCreationInfo,
@ -320,7 +321,7 @@ export interface CoinsReturnRecord {
*
* Uses libtool's current:revision:age versioning.
*/
export const WALLET_PROTOCOL_VERSION = "0:0:0";
export const WALLET_PROTOCOL_VERSION = "2:0:0";
/**
* Current database version, should be incremented
@ -2134,24 +2135,17 @@ export class Wallet {
}
const reqUrl = new URI("refresh/melt").absoluteTo(refreshSession.exchangeBaseUrl);
const meltCoin = {
const meltReq = {
coin_pub: coin.coinPub,
confirm_sig: refreshSession.confirmSig,
denom_pub: coin.denomPub,
denom_sig: coin.denomSig,
rc: refreshSession.hash,
value_with_fee: refreshSession.valueWithFee,
};
const coinEvs = refreshSession.preCoinsForGammas.map((x) => x.map((y) => y.coinEv));
const req = {
coin_evs: coinEvs,
melt_coin: meltCoin,
new_denoms: refreshSession.newDenoms,
transfer_pubs: refreshSession.transferPubs,
};
console.log("melt request:", req);
const resp = await this.http.postJson(reqUrl.href(), req);
console.log("melt request:", meltReq);
const resp = await this.http.postJson(reqUrl.href(), meltReq);
console.log("melt request:", req);
console.log("melt response:", resp.responseText);
if (resp.status !== 200) {
@ -2186,9 +2180,19 @@ export class Wallet {
const privs = Array.from(refreshSession.transferPrivs);
privs.splice(norevealIndex, 1);
const preCoins = refreshSession.preCoinsForGammas[norevealIndex];
if (!preCoins) {
throw Error("refresh index error");
}
const evs = preCoins.map((x: RefreshPreCoinRecord) => x.coinEv);
const req = {
session_hash: refreshSession.hash,
coin_evs: evs,
new_denoms_h: refreshSession.newDenomHashes,
rc: refreshSession.hash,
transfer_privs: privs,
transfer_pub: refreshSession.transferPubs[norevealIndex],
};
const reqUrl = new URI("refresh/reveal") .absoluteTo(refreshSession.exchangeBaseUrl);