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authorFabio Berger <me@fabioberger.com>2018-07-05 06:38:15 +0800
committerFabio Berger <me@fabioberger.com>2018-07-05 06:38:15 +0800
commita0b9c7777b2171456a19aa6ddcf2a023b663a816 (patch)
treeb9cf9fe6d0030bf0e2591d3facccf38ff2d622c6 /packages/web3-wrapper/src
parent5204e4c08da7d32012047ee6ca4d898b0c45a47d (diff)
parent5176d929fa6d3c6ce414448ea2441bd450f04e3c (diff)
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merge v2-prototype
Diffstat (limited to 'packages/web3-wrapper/src')
-rw-r--r--packages/web3-wrapper/src/index.ts2
-rw-r--r--packages/web3-wrapper/src/web3_wrapper.ts20
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 29adb18ff..e56b99366 100644
--- a/packages/web3-wrapper/src/web3_wrapper.ts
+++ b/packages/web3-wrapper/src/web3_wrapper.ts
@@ -39,6 +39,12 @@ export const uniqueVersionIds = {
ganache: 'EthereumJS TestRPC',
};
+// NodeType represents the type of the backing Ethereum node.
+export enum NodeType {
+ Geth = 'GETH',
+ Ganache = 'GANACHE',
+}
+
/**
* An alternative to the Web3.js library that provides a consistent, clean, promise-based interface.
*/
@@ -595,6 +601,20 @@ export class Web3Wrapper {
assert.isNumber('blockNumber', blockNumber);
await this._sendRawPayloadAsync<void>({ method: 'debug_setHead', params: [web3Utils.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._provider.sendAsync.bind(this._provider);
const payloadWithDefaults = {