diff options
Diffstat (limited to 'packages/web3-wrapper/src')
-rw-r--r-- | packages/web3-wrapper/src/index.ts | 2 | ||||
-rw-r--r-- | packages/web3-wrapper/src/web3_wrapper.ts | 20 |
2 files changed, 21 insertions, 1 deletions
diff --git a/packages/web3-wrapper/src/index.ts b/packages/web3-wrapper/src/index.ts index b14fa7406..66ef0a784 100644 --- a/packages/web3-wrapper/src/index.ts +++ b/packages/web3-wrapper/src/index.ts @@ -1,2 +1,2 @@ -export { Web3Wrapper, uniqueVersionIds } from './web3_wrapper'; +export { Web3Wrapper, uniqueVersionIds, NodeType } from './web3_wrapper'; export { Web3WrapperErrors } from './types'; diff --git a/packages/web3-wrapper/src/web3_wrapper.ts b/packages/web3-wrapper/src/web3_wrapper.ts index 6ea69883c..b79ade278 100644 --- a/packages/web3-wrapper/src/web3_wrapper.ts +++ b/packages/web3-wrapper/src/web3_wrapper.ts @@ -31,6 +31,12 @@ export const uniqueVersionIds = { ganache: 'EthereumJS TestRPC', }; +// NodeType represents the type of the backing Ethereum node. +export enum NodeType { + Geth = 'GETH', + Ganache = 'GANACHE', +} + /** * A wrapper around the Web3.js 0.x library that provides a consistent, clean promise-based interface. */ @@ -489,6 +495,20 @@ export class Web3Wrapper { public async setHeadAsync(blockNumber: number): Promise<void> { await this._sendRawPayloadAsync<void>({ method: 'debug_setHead', params: [this._web3.toHex(blockNumber)] }); } + /** + * Returns either NodeType.Geth or NodeType.Ganache depending on the type of + * the backing Ethereum node. Throws for any other type of node. + */ + public async getNodeTypeAsync(): Promise<NodeType> { + const version = await this.getNodeVersionAsync(); + if (_.includes(version, uniqueVersionIds.geth)) { + return NodeType.Geth; + } else if (_.includes(version, uniqueVersionIds.ganache)) { + return NodeType.Ganache; + } else { + throw new Error(`Unknown client version: ${version}`); + } + } private async _sendRawPayloadAsync<A>(payload: Partial<JSONRPCRequestPayload>): Promise<A> { const sendAsync = this._web3.currentProvider.sendAsync.bind(this._web3.currentProvider); const payloadWithDefaults = { |