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Diffstat (limited to 'packages/dev-utils/src/web3_factory.ts')
-rw-r--r-- | packages/dev-utils/src/web3_factory.ts | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/packages/dev-utils/src/web3_factory.ts b/packages/dev-utils/src/web3_factory.ts deleted file mode 100644 index 5f8981a46..000000000 --- a/packages/dev-utils/src/web3_factory.ts +++ /dev/null @@ -1,71 +0,0 @@ -import { - EmptyWalletSubprovider, - FakeGasEstimateSubprovider, - GanacheSubprovider, - RPCSubprovider, - Web3ProviderEngine, -} from '@0x/subproviders'; -import * as fs from 'fs'; -import * as _ from 'lodash'; - -import { constants } from './constants'; -import { env, EnvVars } from './env'; - -export interface Web3Config { - hasAddresses?: boolean; // default: true - shouldUseInProcessGanache?: boolean; // default: false - shouldThrowErrorsOnGanacheRPCResponse?: boolean; // default: true - rpcUrl?: string; // default: localhost:8545 - shouldUseFakeGasEstimate?: boolean; // default: true - ganacheDatabasePath?: string; // default: undefined, creates a tmp dir -} - -export const web3Factory = { - getRpcProvider(config: Web3Config = {}): Web3ProviderEngine { - const provider = new Web3ProviderEngine(); - const hasAddresses = _.isUndefined(config.hasAddresses) || config.hasAddresses; - config.shouldUseFakeGasEstimate = - _.isUndefined(config.shouldUseFakeGasEstimate) || config.shouldUseFakeGasEstimate; - if (!hasAddresses) { - provider.addProvider(new EmptyWalletSubprovider()); - } - - if (config.shouldUseFakeGasEstimate) { - provider.addProvider(new FakeGasEstimateSubprovider(constants.GAS_LIMIT)); - } - const logger = { - log: (arg: any) => { - fs.appendFileSync('ganache.log', `${arg}\n`); - }, - }; - const shouldUseInProcessGanache = !!config.shouldUseInProcessGanache; - if (shouldUseInProcessGanache) { - if (!_.isUndefined(config.rpcUrl)) { - throw new Error('Cannot use both GanacheSubrovider and RPCSubprovider'); - } - const shouldThrowErrorsOnGanacheRPCResponse = - _.isUndefined(config.shouldThrowErrorsOnGanacheRPCResponse) || - config.shouldThrowErrorsOnGanacheRPCResponse; - if (!_.isUndefined(config.ganacheDatabasePath)) { - // Saving the snapshot to a local db. Ganache requires this directory to exist - fs.mkdirSync(config.ganacheDatabasePath); - } - provider.addProvider( - new GanacheSubprovider({ - vmErrorsOnRPCResponse: shouldThrowErrorsOnGanacheRPCResponse, - db_path: config.ganacheDatabasePath, - gasLimit: constants.GAS_LIMIT, - logger, - verbose: env.parseBoolean(EnvVars.VerboseGanache), - port: 8545, - network_id: 50, - mnemonic: 'concert load couple harbor equip island argue ramp clarify fence smart topic', - } as any), // TODO remove any once types are merged in DefinitelyTyped - ); - } else { - provider.addProvider(new RPCSubprovider(config.rpcUrl || constants.RPC_URL)); - } - provider.start(); - return provider; - }, -}; |