rindexer/examples/tables_erc1155_balances/rindexer.yaml at master · aave/rindexer · GitHub

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name: ERC1155BalancesExample
description: Test ERC1155 token balance tracking using iterate for TransferBatch
repository: https://github.com/joshstevens19/rindexer
project_type: no-code
networks:
  - name: ethereum
    chain_id: 1
    rpc: https://mainnet.gateway.tenderly.co
storage:
  postgres:
    enabled: true
    drop_each_run: true
contracts:
  - name: OpenSea
    details:
      - network: ethereum
        # OpenSea's Seaport - has ERC1155 TransferBatch events
        address: "0x00000000006c3852cbEf3e08E8dF289169EdE581"
        start_block: 18600000
        end_block: 18600500
    abi: ./abis/ERC1155.json
    tables:
      - name: balances
        columns:
          - name: holder
          - name: token_id
          - name: balance
            type: uint256
            default: "0"
        events:
          # Handle batch transfers with iterate
          - event: TransferBatch
            iterate:
              - "$ids as token_id"
              - "$values as amount"
            operations:
              # Credit recipient for each token
              - type: upsert
                where:
                  holder: $to
                  token_id: $token_id
                if: "$to != 0x0000000000000000000000000000000000000000"
                set:
                  - column: balance
                    action: add
                    value: $amount
              # Debit sender for each token
              - type: upsert
                where:
                  holder: $from
                  token_id: $token_id
                if: "$from != 0x0000000000000000000000000000000000000000"
                set:
                  - column: balance
                    action: subtract
                    value: $amount
          # Handle single transfers normally (no iterate needed)
          - event: TransferSingle
            operations:
              # Credit recipient
              - type: upsert
                where:
                  holder: $to
                  token_id: $id
                if: "$to != 0x0000000000000000000000000000000000000000"
                set:
                  - column: balance
                    action: add
                    value: $value
              # Debit sender
              - type: upsert
                where:
                  holder: $from
                  token_id: $id
                if: "$from != 0x0000000000000000000000000000000000000000"
                set:
                  - column: balance
                    action: subtract
                    value: $value