feat: complete DIPs integration with ethers v6 migration

- Updated all DIPs-related code to use ethers v6 API
- Migrated from BigNumberish to bigint for all numeric operations
- Fixed provider and signer initialization patterns
- Updated test suite to use new ethers v6 patterns
- Removed temporary migration documentation

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: pcarranzav

REBASE_STRATEGY.md

@@ -684,9 +684,9 @@ export class NetworkMonitor {
         return {
           id: new SubgraphDeploymentID(ipfsHash),
           deniedAt: 1, // We assume the deployment won't be eligible for rewards if it's not found
-          stakedTokens: BigNumber.from(0),
-          signalledTokens: BigNumber.from(0),
-          queryFeesAmount: BigNumber.from(0),
+          stakedTokens: 0n,
+          signalledTokens: 0n,
+          queryFeesAmount: 0n,
           protocolNetwork: this.networkCAIPID,
         }
       }

packages/indexer-common/src/indexer-management/monitor.ts

@@ -1541,7 +1541,7 @@ export default {
         await allocationManager.dipsManager.tryUpdateAgreementAllocation(
           deployment,
           null,
-          toAddress(createAllocationEventLogs.allocationID),
+          toAddress(allocationId),
         )
       }
 
@@ -1852,7 +1852,7 @@ export default {
         await allocationManager.dipsManager.tryUpdateAgreementAllocation(
           allocationData.subgraphDeployment.id.toString(),
           toAddress(allocation),
-          toAddress(createAllocationEventLogs.allocationID),
+          toAddress(newAllocationId),
         )
       }
 

packages/indexer-common/src/indexer-management/resolvers/allocations.ts

@@ -29,7 +29,6 @@ import {
 } from '@graphprotocol/common-ts'
 import { Sequelize } from 'sequelize'
 import { testNetworkSpecification } from '../../indexer-management/__tests__/util'
-import { BigNumber } from 'ethers'
 import { CollectPaymentStatus } from '@graphprotocol/dips-proto/generated/gateway'
 
 // Make global Jest variables available
@@ -65,9 +64,9 @@ const mockSubgraphDeployment = (id: string) => {
     id: new SubgraphDeploymentID(id),
     ipfsHash: id,
     deniedAt: null,
-    stakedTokens: BigNumber.from('1000'),
-    signalledTokens: BigNumber.from('1000'),
-    queryFeesAmount: BigNumber.from('0'),
+    stakedTokens: 1000n,
+    signalledTokens: 1000n,
+    queryFeesAmount: 0n,
     protocolNetwork: 'eip155:421614',
   }
 }

packages/indexer-common/src/indexing-fees/__tests__/dips.test.ts

@@ -34,7 +34,7 @@ import {
 } from '@graphprotocol/dips-proto/generated/gateway'
 import { IndexingAgreement } from '../indexer-management/models/indexing-agreement'
 import { NetworkSpecification } from '../network-specification'
-import { Wallet } from 'ethers'
+import { BaseWallet } from 'ethers'
 
 const DIPS_COLLECTION_INTERVAL = 60_000
 
@@ -364,7 +364,7 @@ export class DipsCollector {
     private queryFeeModels: QueryFeeModels,
     private specification: NetworkSpecification,
     private tapCollector: TapCollector,
-    private wallet: Wallet,
+    private wallet: BaseWallet,
     private graphNode: GraphNode,
     public escrowSenderGetter: GetEscrowSenderForSigner,
   ) {
@@ -383,7 +383,7 @@ export class DipsCollector {
     queryFeeModels: QueryFeeModels,
     specification: NetworkSpecification,
     tapCollector: TapCollector,
-    wallet: Wallet,
+    wallet: BaseWallet,
     graphNode: GraphNode,
     escrowSenderGetter?: GetEscrowSenderForSigner,
   ) {
@@ -467,7 +467,7 @@ export class DipsCollector {
         this.logger.info('Decoding TAP receipt for agreement')
         const tapReceipt = this.gatewayDipsServiceMessagesCodec.decodeTapReceipt(
           response.tapReceipt,
-          this.tapCollector?.tapContracts.tapVerifier.address,
+          this.tapCollector?.tapContracts.tapVerifier.target.toString(),
         )
         // Check that the signer of the TAP receipt is a signer
         // on the corresponding escrow account for the payer (sender) of the