tornado-packages/tornado-oracles
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Add getter to TokenPriceOracle for default token prices & bump version to 0.2.3

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This commit is contained in:
Theo 2023-08-20 11:49:12 -07:00
parent f5244ae722
commit c63e6a320f
2 changed files with 16 additions and 10 deletions
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2
package.json
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@ -1,6 +1,6 @@
{
"name": "@tornado/tornado-oracles",
"version": "0.2.2",
"version": "0.2.3",
"description": "Gas oracle for Tornado-specific transactions",
"main": "./lib/index.js",
"types": "./lib/index.d.ts",

24
src/tokenPriceOracle.ts
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@ -25,13 +25,13 @@ const tornToken: Token = {
};
const tornadoTokens = [tornToken, ...filterTokensFromTornadoInstances(instances)];
const defaultTokenPrices: TokenPrices = {
cdai: '12143621157112',
dai: '543174175301531',
usdc: '543496781058130',
usdt: '540358243246849',
wbtc: '15944433090979762571',
torn: '1683813509941878',
const defaultTornadoTokenPrices: TokenPrices = {
torn: '1689423546359032',
dai: '598416104472725',
cdai: '13384388487019',
usdc: '599013776676721',
usdt: '599323410893614',
wbtc: '15659889148334216720',
};
export class TokenPriceOracle {
@ -47,12 +47,18 @@ export class TokenPriceOracle {
constructor(
rpcUrl: string,
private tokens: Token[] = tornadoTokens,
private defaultTokenPrices: TokenPrices = defaultTornadoTokenPrices,
) {
this.provider = new ethers.providers.JsonRpcProvider(rpcUrl);
this.oracle = getOffchainOracleContract(this.provider);
this.multiCall = getMultiCallContract(this.provider);
}
// Instant return default token prices
get defaultPrices(): TokenPrices {
return this.defaultTokenPrices;
}
/**
* Prepare data for MultiCall contract
* @param {Token[]} tokens Tokens array
@ -81,7 +87,7 @@ export class TokenPriceOracle {
for (let i = 0; i < results.length; i++) {
const tokenSymbol = tokens[i].symbol.toLowerCase() as TokenSymbol;
if (!success[i]) {
if (defaultTokenPrices[tokenSymbol]) prices[tokenSymbol] = defaultTokenPrices[tokenSymbol];
if (this.defaultTokenPrices[tokenSymbol]) prices[tokenSymbol] = this.defaultTokenPrices[tokenSymbol];
continue;
}
@ -94,7 +100,7 @@ export class TokenPriceOracle {
return prices;
} catch (e) {
console.error('Cannot get token prices, return default: ' + e);
return defaultTokenPrices;
return this.defaultTokenPrices;
}
}
}