Merge pull request #26 from maticnetwork/revert-back

Don't attempt to recover check point signer list

root/config/goerli.json

@@ -31,9 +31,6 @@
     },
     "decoderForPoSPortalData": {
       "address": "0x8fcFA769D420AdA837206294eb054Ad514a7a8a0"
-    },
-    "decodeCheckpointSignerList": {
-      "address": "0x4d350e8A3C0D57714d3b80c9e2030ab8f1Bb7875"
     }
   }
 }

root/config/mainnet.json

@@ -31,9 +31,6 @@
     },
     "decoderForPoSPortalData": {
       "address": "0x13E301F8d9563e3D8d48F1d21aE8110B22558cd5"
-    },
-    "decodeCheckpointSignerList": {
-      "address": "0x3c54B08A5b4EB5f68a69BbCf963C694eCf025e14"
     }
   }
 }

root/schema.graphql

@@ -7,7 +7,6 @@ type Checkpoint @entity {
   start: BigInt!
   end: BigInt!
   root: Bytes!
-  signers: [Bytes!]!
   transactionHash: Bytes!
   timestamp: BigInt!
 }

root/src/mappings/checkpoint.ts

@@ -1,10 +1,7 @@
-import { Address, BigInt, Value } from '@graphprotocol/graph-ts'
+import { BigInt } from '@graphprotocol/graph-ts'
 import { NewHeaderBlock } from '../../generated/Rootchain/Rootchain'
 import { Checkpoint } from '../../generated/schema'
 
-import { decodeCheckpointSignerListAddress } from '../network'
-import { DecodeCheckpointSignerList } from '../../generated/Rootchain/DecodeCheckpointSignerList'
-
 let MAX_DEPOSITS = BigInt.fromI32(10000)
 
 export function handleNewHeaderBlock(event: NewHeaderBlock): void {
@@ -13,6 +10,7 @@ export function handleNewHeaderBlock(event: NewHeaderBlock): void {
 
   // use checkpoint number as id
   let entity = new Checkpoint('checkpoint:' + checkpointNumber.toString())
+
   entity.proposer = event.params.proposer
   entity.headerBlockId = event.params.headerBlockId
   entity.checkpointNumber = checkpointNumber
@@ -24,40 +22,6 @@ export function handleNewHeaderBlock(event: NewHeaderBlock): void {
   entity.transactionHash = event.transaction.hash
   entity.timestamp = event.block.timestamp
 
-  // Attempting to create an instance of `DecodeCheckpointSignerList` smart contract
-  // to be used for figuring out who are those check point signers i.e. validators
-  let decoder = DecodeCheckpointSignerList.bind(Address.fromString(decodeCheckpointSignerListAddress))
-
-  // 👇 is being done because there's a possibly decoding might fail
-  // if bad input is provided with
-  //
-  // @note This is nothing but a precautionary measurement
-  let callResult = decoder.try_decode(event.transaction.input)
-
-  // This condition will be true if during decoding
-  // contract faces some issue
-  //
-  // If it does, only proposer address will be kept
-  // in signer list, because we failed to extract out
-  // all signer addresses
-  //
-  // @note Proposer itself is a signer.
-  if (callResult.reverted) {
-
-    let previousOwners = entity.signers
-    previousOwners.push(event.params.proposer)
-    entity.signers = previousOwners
-
-    // save entity
-    entity.save()
-
-    return
-
-  }
-
-  // extracted out signer list stored in entity
-  entity.signers = Value.fromAddressArray(callResult.value).toBytesArray()
-
-  // save entity
   entity.save()
+
 }

root/src/network.template.ts

@@ -2,4 +2,3 @@ export const network: string = '{{ network }}'
 export const stakingNftAddress: string = '{{ contracts.stakingNft.address }}'
 export const registryAddress: string = '{{ contracts.registry.address }}'
 export const decoderForPoSPortalData: string = '{{ contracts.decoderForPoSPortalData.address }}'
-export const decodeCheckpointSignerListAddress: string = '{{ contracts.decodeCheckpointSignerList.address }}'

root/subgraph.template.yaml

@@ -20,8 +20,6 @@ dataSources:
       abis:
         - name: Rootchain
           file: ./abis/Rootchain.json
-        - name: DecodeCheckpointSignerList
-          file: ./abis/DecodeCheckpointSignerList.json
       eventHandlers:
         - event: NewHeaderBlock(indexed address,indexed uint256,indexed uint256,uint256,uint256,bytes32)
           handler: handleNewHeaderBlock