[castDecoder] ability to pass blockNumber in metadata

Instadapp · Aug 26, 2022 · adc380d · adc380d
1 parent f72f570
commit adc380d
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Showing 2 changed files with 28 additions and 4 deletions.
diff --git a/src/cast/CastDecoder.ts b/src/cast/CastDecoder.ts
@@ -88,7 +88,7 @@ export class CastDecoder {
     }
   }
 
-  async getConnectorAbi (connectorName: string, network: Network = 'mainnet', metadata?: Record<string, any>) {
+  async getConnectorAbi (connectorName: string, network: Network = 'mainnet', metadata?: Record<string, any> & { blockNumber?: number | string }) {
     if (isAddress(connectorName)) {
       return await this.options.abiFetcher.get(connectorName, network, this.options.abiFetcher.options.proxyFetchMode, metadata)
     }
@@ -106,12 +106,14 @@ export class CastDecoder {
       }
     ], new JsonRpcRetryProvider(this.options.abiFetcher.options.rpcProviderUrl[network]))
 
-    const contractAddress = await contract.connectors(connectorName)
+    const contractAddress = await contract.connectors(connectorName, {
+      blockTag: metadata && metadata.blockNumber ? metadata.blockNumber : 'latest'
+    })
 
     return await this.options.abiFetcher.get(contractAddress, network, this.options.abiFetcher.options.proxyFetchMode, metadata)
   }
 
-  async getSpell (connectorName: string, data: string, network: Network = 'mainnet', metadata?: Record<string, any>) {
+  async getSpell (connectorName: string, data: string, network: Network = 'mainnet', metadata?: Record<string, any> & { blockNumber?: number | string }) {
     const spell = {
       connector: isAddress(connectorName) ? (connectorsV1AddressToName[connectorName.toLowerCase()] || connectorName) : connectorName,
       data,
@@ -163,7 +165,7 @@ export class CastDecoder {
     return spells
   }
 
-  async getEventNamedArgs (connectorName: string, eventName: string, eventParam: string, network: Network = 'mainnet', metadata?: Record<string, any>) {
+  async getEventNamedArgs (connectorName: string, eventName: string, eventParam: string, network: Network = 'mainnet', metadata?: Record<string, any> & { blockNumber?: number | string }) {
     const abi = await this.getConnectorAbi(connectorName, network, metadata)
 
     const connector = new Interface(abi.map(item => ({

diff --git a/test/cast.test.ts b/test/cast.test.ts
@@ -207,4 +207,26 @@ describe('cast', () => {
 
     expect(spells).toEqual([expectedDecodedSpell])
   })
+
+  test('get spells at a given block', async () => {
+    const abi1 = await castDecoder.getConnectorAbi(
+      'EULER-A',
+      'mainnet',
+      {
+        blockNumber: 15326656
+      }
+    )
+
+    expect(abi1.length).equal(27)
+
+    const abi2 = await castDecoder.getConnectorAbi(
+      'EULER-A',
+      'mainnet',
+      {
+        blockNumber: 15416934
+      }
+    )
+
+    expect(abi2.length).equal(25)
+  })
 })