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authorFabio Berger <me@fabioberger.com>2018-07-04 22:35:49 +0800
committerFabio Berger <me@fabioberger.com>2018-07-04 22:35:49 +0800
commit8adc6f0faadb46f88c1f9738b04039d037cfbcb9 (patch)
tree6ea9d1f9c9506bee42dbbe0543a8c407c6c5d05e /packages/web3-wrapper/src/web3_wrapper.ts
parent4e783fba57bbd3d389ab52679ca8763bfa03cbf3 (diff)
parentade620f4f7d9ac1e5726681aefcbddf742915a84 (diff)
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merge v2-prototype
Diffstat (limited to 'packages/web3-wrapper/src/web3_wrapper.ts')
-rw-r--r--packages/web3-wrapper/src/web3_wrapper.ts20
1 files changed, 20 insertions, 0 deletions
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 = {