@uniswap/smart-order-router
Version:
Uniswap Smart Order Router
164 lines • 17.4 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.UniswapMulticallProvider = void 0;
const lodash_1 = __importDefault(require("lodash"));
const stats_lite_1 = __importDefault(require("stats-lite"));
const UniswapInterfaceMulticall__factory_1 = require("../types/v3/factories/UniswapInterfaceMulticall__factory");
const addresses_1 = require("../util/addresses");
const log_1 = require("../util/log");
const multicall_provider_1 = require("./multicall-provider");
/**
* The UniswapMulticall contract has added functionality for limiting the amount of gas
* that each call within the multicall can consume. This is useful for operations where
* a call could consume such a large amount of gas that it causes the node to error out
* with an out of gas error.
*
* @export
* @class UniswapMulticallProvider
*/
class UniswapMulticallProvider extends multicall_provider_1.IMulticallProvider {
constructor(chainId, provider, gasLimitPerCall = 1000000) {
super();
this.chainId = chainId;
this.provider = provider;
this.gasLimitPerCall = gasLimitPerCall;
const multicallAddress = addresses_1.UNISWAP_MULTICALL_ADDRESSES[this.chainId];
if (!multicallAddress) {
throw new Error(`No address for Uniswap Multicall Contract on chain id: ${chainId}`);
}
this.multicallContract = UniswapInterfaceMulticall__factory_1.UniswapInterfaceMulticall__factory.connect(multicallAddress, this.provider);
}
async callSameFunctionOnMultipleContracts(params) {
var _a;
const { addresses, contractInterface, functionName, functionParams, providerConfig, } = params;
const blockNumberOverride = (_a = providerConfig === null || providerConfig === void 0 ? void 0 : providerConfig.blockNumber) !== null && _a !== void 0 ? _a : undefined;
const fragment = contractInterface.getFunction(functionName);
const callData = contractInterface.encodeFunctionData(fragment, functionParams);
const calls = lodash_1.default.map(addresses, (address) => {
return {
target: address,
callData,
gasLimit: this.gasLimitPerCall,
};
});
log_1.log.debug({ calls }, `About to multicall for ${functionName} across ${addresses.length} addresses`);
const { blockNumber, returnData: aggregateResults } = await this.multicallContract.callStatic.multicall(calls, {
blockTag: blockNumberOverride,
});
const results = [];
for (let i = 0; i < aggregateResults.length; i++) {
const { success, returnData } = aggregateResults[i];
// Return data "0x" is sometimes returned for invalid calls.
if (!success || returnData.length <= 2) {
log_1.log.debug({ result: aggregateResults[i] }, `Invalid result calling ${functionName} on address ${addresses[i]}`);
results.push({
success: false,
returnData,
});
continue;
}
results.push({
success: true,
result: contractInterface.decodeFunctionResult(fragment, returnData),
});
}
log_1.log.debug({ results }, `Results for multicall on ${functionName} across ${addresses.length} addresses as of block ${blockNumber}`);
return { blockNumber, results };
}
async callSameFunctionOnContractWithMultipleParams(params) {
var _a, _b;
const { address, contractInterface, functionName, functionParams, additionalConfig, providerConfig, } = params;
const fragment = contractInterface.getFunction(functionName);
const gasLimitPerCall = (_a = additionalConfig === null || additionalConfig === void 0 ? void 0 : additionalConfig.gasLimitPerCallOverride) !== null && _a !== void 0 ? _a : this.gasLimitPerCall;
const blockNumberOverride = (_b = providerConfig === null || providerConfig === void 0 ? void 0 : providerConfig.blockNumber) !== null && _b !== void 0 ? _b : undefined;
const calls = lodash_1.default.map(functionParams, (functionParam) => {
const callData = contractInterface.encodeFunctionData(fragment, functionParam);
return {
target: address,
callData,
gasLimit: gasLimitPerCall,
};
});
log_1.log.debug({ calls }, `About to multicall for ${functionName} at address ${address} with ${functionParams.length} different sets of params`);
const { blockNumber, returnData: aggregateResults } = await this.multicallContract.callStatic.multicall(calls, {
blockTag: blockNumberOverride,
});
const results = [];
const gasUsedForSuccess = [];
for (let i = 0; i < aggregateResults.length; i++) {
const { success, returnData, gasUsed } = aggregateResults[i];
// Return data "0x" is sometimes returned for invalid pools.
if (!success || returnData.length <= 2) {
log_1.log.debug({ result: aggregateResults[i] }, `Invalid result calling ${functionName} address ${address} with params ${functionParams[i]}`);
results.push({
success: false,
returnData,
gasUsed,
});
continue;
}
gasUsedForSuccess.push(gasUsed.toNumber());
results.push({
success: true,
result: contractInterface.decodeFunctionResult(fragment, returnData),
});
}
log_1.log.debug({ results, functionName, address }, `Results for multicall for ${functionName} at address ${address} with ${functionParams.length} different sets of params. Results as of block ${blockNumber}`);
return {
blockNumber,
results,
approxGasUsedPerSuccessCall: stats_lite_1.default.percentile(gasUsedForSuccess, 99),
};
}
async callMultipleFunctionsOnSameContract(params) {
var _a, _b;
const { address, contractInterface, functionNames, functionParams, additionalConfig, providerConfig, } = params;
const gasLimitPerCall = (_a = additionalConfig === null || additionalConfig === void 0 ? void 0 : additionalConfig.gasLimitPerCallOverride) !== null && _a !== void 0 ? _a : this.gasLimitPerCall;
const blockNumberOverride = (_b = providerConfig === null || providerConfig === void 0 ? void 0 : providerConfig.blockNumber) !== null && _b !== void 0 ? _b : undefined;
const calls = lodash_1.default.map(functionNames, (functionName, i) => {
const fragment = contractInterface.getFunction(functionName);
const param = functionParams ? functionParams[i] : [];
const callData = contractInterface.encodeFunctionData(fragment, param);
return {
target: address,
callData,
gasLimit: gasLimitPerCall,
};
});
log_1.log.debug({ calls }, `About to multicall for ${functionNames.length} functions at address ${address} with ${functionParams === null || functionParams === void 0 ? void 0 : functionParams.length} different sets of params`);
const { blockNumber, returnData: aggregateResults } = await this.multicallContract.callStatic.multicall(calls, {
blockTag: blockNumberOverride,
});
const results = [];
const gasUsedForSuccess = [];
for (let i = 0; i < aggregateResults.length; i++) {
const fragment = contractInterface.getFunction(functionNames[i]);
const { success, returnData, gasUsed } = aggregateResults[i];
// Return data "0x" is sometimes returned for invalid pools.
if (!success || returnData.length <= 2) {
log_1.log.debug({ result: aggregateResults[i] }, `Invalid result calling ${functionNames[i]} with ${functionParams ? functionParams[i] : '0'} params`);
results.push({
success: false,
returnData,
});
continue;
}
gasUsedForSuccess.push(gasUsed.toNumber());
results.push({
success: true,
result: contractInterface.decodeFunctionResult(fragment, returnData),
});
}
log_1.log.debug({ results, functionNames, address }, `Results for multicall for ${functionNames.length} functions at address ${address} with ${functionParams ? functionParams.length : ' 0'} different sets of params. Results as of block ${blockNumber}`);
return {
blockNumber,
results,
approxGasUsedPerSuccessCall: stats_lite_1.default.percentile(gasUsedForSuccess, 99),
};
}
}
exports.UniswapMulticallProvider = UniswapMulticallProvider;
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