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author | Leonid <logvinov.leon@gmail.com> | 2018-01-31 03:27:14 +0800 |
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committer | GitHub <noreply@github.com> | 2018-01-31 03:27:14 +0800 |
commit | 2bcb7d56394c43acd68d1823092de2ad047abc6d (patch) | |
tree | 55684889214373fcd66ca52efa079f381cfb388b /packages/dev-utils/src/subproviders | |
parent | d004df56e38726ed7f1b775da33d8f37aae270db (diff) | |
parent | 7ad314472d27e8a6c6ee8242f4f335d414709f4d (diff) | |
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Merge pull request #332 from 0xProject/feature/contracts-abi-gen
Contracts refactor. Bye, truffle!!! :clap:
Diffstat (limited to 'packages/dev-utils/src/subproviders')
-rw-r--r-- | packages/dev-utils/src/subproviders/empty_wallet_subprovider.ts | 27 | ||||
-rw-r--r-- | packages/dev-utils/src/subproviders/fake_gas_estimate_subprovider.ts | 34 |
2 files changed, 61 insertions, 0 deletions
diff --git a/packages/dev-utils/src/subproviders/empty_wallet_subprovider.ts b/packages/dev-utils/src/subproviders/empty_wallet_subprovider.ts new file mode 100644 index 000000000..8c1fdfdb2 --- /dev/null +++ b/packages/dev-utils/src/subproviders/empty_wallet_subprovider.ts @@ -0,0 +1,27 @@ +import { JSONRPCPayload } from '@0xproject/types'; + +/* + * This class implements the web3-provider-engine subprovider interface and returns + * that the provider has no addresses when queried. + * Source: https://github.com/MetaMask/provider-engine/blob/master/subproviders/subprovider.js + */ +export class EmptyWalletSubprovider { + // This method needs to be here to satisfy the interface but linter wants it to be static. + // tslint:disable-next-line:prefer-function-over-method + public handleRequest(payload: JSONRPCPayload, next: () => void, end: (err: Error | null, result: any) => void) { + switch (payload.method) { + case 'eth_accounts': + end(null, []); + return; + + default: + next(); + return; + } + } + // Required to implement this method despite not needing it for this subprovider + // tslint:disable-next-line:prefer-function-over-method + public setEngine(engine: any) { + // noop + } +} diff --git a/packages/dev-utils/src/subproviders/fake_gas_estimate_subprovider.ts b/packages/dev-utils/src/subproviders/fake_gas_estimate_subprovider.ts new file mode 100644 index 000000000..b455a0ed7 --- /dev/null +++ b/packages/dev-utils/src/subproviders/fake_gas_estimate_subprovider.ts @@ -0,0 +1,34 @@ +import { JSONRPCPayload } from '@0xproject/types'; + +/* + * This class implements the web3-provider-engine subprovider interface and returns + * the constant gas estimate when queried. + * HACK: We need this so that our tests don't use testrpc gas estimation which sometimes kills the node. + * Source: https://github.com/trufflesuite/ganache-cli/issues/417 + * Source: https://github.com/trufflesuite/ganache-cli/issues/437 + * Source: https://github.com/MetaMask/provider-engine/blob/master/subproviders/subprovider.js + */ +export class FakeGasEstimateSubprovider { + private _constantGasAmount: number; + constructor(constantGasAmount: number) { + this._constantGasAmount = constantGasAmount; + } + // This method needs to be here to satisfy the interface but linter wants it to be static. + // tslint:disable-next-line:prefer-function-over-method + public handleRequest(payload: JSONRPCPayload, next: () => void, end: (err: Error | null, result: any) => void) { + switch (payload.method) { + case 'eth_estimateGas': + end(null, this._constantGasAmount); + return; + + default: + next(); + return; + } + } + // Required to implement this method despite not needing it for this subprovider + // tslint:disable-next-line:prefer-function-over-method + public setEngine(engine: any) { + // noop + } +} |