diff --git a/packages/paima-sdk/paima-utils/src/artifacts/ERC1155Contract.json b/packages/paima-sdk/paima-utils/src/artifacts/ERC1155Contract.json
deleted file mode 100644
index 99396bd8..00000000
--- a/packages/paima-sdk/paima-utils/src/artifacts/ERC1155Contract.json
+++ /dev/null
@@ -1,418 +0,0 @@
-{
-  "abi": [
-    {
-      "type": "function",
-      "name": "balanceOf",
-      "inputs": [
-        {
-          "name": "account",
-          "type": "address",
-          "internalType": "address"
-        },
-        {
-          "name": "id",
-          "type": "uint256",
-          "internalType": "uint256"
-        }
-      ],
-      "outputs": [
-        {
-          "name": "",
-          "type": "uint256",
-          "internalType": "uint256"
-        }
-      ],
-      "stateMutability": "view"
-    },
-    {
-      "type": "function",
-      "name": "balanceOfBatch",
-      "inputs": [
-        {
-          "name": "accounts",
-          "type": "address[]",
-          "internalType": "address[]"
-        },
-        {
-          "name": "ids",
-          "type": "uint256[]",
-          "internalType": "uint256[]"
-        }
-      ],
-      "outputs": [
-        {
-          "name": "",
-          "type": "uint256[]",
-          "internalType": "uint256[]"
-        }
-      ],
-      "stateMutability": "view"
-    },
-    {
-      "type": "function",
-      "name": "isApprovedForAll",
-      "inputs": [
-        {
-          "name": "account",
-          "type": "address",
-          "internalType": "address"
-        },
-        {
-          "name": "operator",
-          "type": "address",
-          "internalType": "address"
-        }
-      ],
-      "outputs": [
-        {
-          "name": "",
-          "type": "bool",
-          "internalType": "bool"
-        }
-      ],
-      "stateMutability": "view"
-    },
-    {
-      "type": "function",
-      "name": "safeBatchTransferFrom",
-      "inputs": [
-        {
-          "name": "from",
-          "type": "address",
-          "internalType": "address"
-        },
-        {
-          "name": "to",
-          "type": "address",
-          "internalType": "address"
-        },
-        {
-          "name": "ids",
-          "type": "uint256[]",
-          "internalType": "uint256[]"
-        },
-        {
-          "name": "values",
-          "type": "uint256[]",
-          "internalType": "uint256[]"
-        },
-        {
-          "name": "data",
-          "type": "bytes",
-          "internalType": "bytes"
-        }
-      ],
-      "outputs": [],
-      "stateMutability": "nonpayable"
-    },
-    {
-      "type": "function",
-      "name": "safeTransferFrom",
-      "inputs": [
-        {
-          "name": "from",
-          "type": "address",
-          "internalType": "address"
-        },
-        {
-          "name": "to",
-          "type": "address",
-          "internalType": "address"
-        },
-        {
-          "name": "id",
-          "type": "uint256",
-          "internalType": "uint256"
-        },
-        {
-          "name": "value",
-          "type": "uint256",
-          "internalType": "uint256"
-        },
-        {
-          "name": "data",
-          "type": "bytes",
-          "internalType": "bytes"
-        }
-      ],
-      "outputs": [],
-      "stateMutability": "nonpayable"
-    },
-    {
-      "type": "function",
-      "name": "setApprovalForAll",
-      "inputs": [
-        {
-          "name": "operator",
-          "type": "address",
-          "internalType": "address"
-        },
-        {
-          "name": "approved",
-          "type": "bool",
-          "internalType": "bool"
-        }
-      ],
-      "outputs": [],
-      "stateMutability": "nonpayable"
-    },
-    {
-      "type": "function",
-      "name": "supportsInterface",
-      "inputs": [
-        {
-          "name": "interfaceId",
-          "type": "bytes4",
-          "internalType": "bytes4"
-        }
-      ],
-      "outputs": [
-        {
-          "name": "",
-          "type": "bool",
-          "internalType": "bool"
-        }
-      ],
-      "stateMutability": "view"
-    },
-    {
-      "type": "function",
-      "name": "uri",
-      "inputs": [
-        {
-          "name": "",
-          "type": "uint256",
-          "internalType": "uint256"
-        }
-      ],
-      "outputs": [
-        {
-          "name": "",
-          "type": "string",
-          "internalType": "string"
-        }
-      ],
-      "stateMutability": "view"
-    },
-    {
-      "type": "event",
-      "name": "ApprovalForAll",
-      "inputs": [
-        {
-          "name": "account",
-          "type": "address",
-          "indexed": true,
-          "internalType": "address"
-        },
-        {
-          "name": "operator",
-          "type": "address",
-          "indexed": true,
-          "internalType": "address"
-        },
-        {
-          "name": "approved",
-          "type": "bool",
-          "indexed": false,
-          "internalType": "bool"
-        }
-      ],
-      "anonymous": false
-    },
-    {
-      "type": "event",
-      "name": "TransferBatch",
-      "inputs": [
-        {
-          "name": "operator",
-          "type": "address",
-          "indexed": true,
-          "internalType": "address"
-        },
-        {
-          "name": "from",
-          "type": "address",
-          "indexed": true,
-          "internalType": "address"
-        },
-        {
-          "name": "to",
-          "type": "address",
-          "indexed": true,
-          "internalType": "address"
-        },
-        {
-          "name": "ids",
-          "type": "uint256[]",
-          "indexed": false,
-          "internalType": "uint256[]"
-        },
-        {
-          "name": "values",
-          "type": "uint256[]",
-          "indexed": false,
-          "internalType": "uint256[]"
-        }
-      ],
-      "anonymous": false
-    },
-    {
-      "type": "event",
-      "name": "TransferSingle",
-      "inputs": [
-        {
-          "name": "operator",
-          "type": "address",
-          "indexed": true,
-          "internalType": "address"
-        },
-        {
-          "name": "from",
-          "type": "address",
-          "indexed": true,
-          "internalType": "address"
-        },
-        {
-          "name": "to",
-          "type": "address",
-          "indexed": true,
-          "internalType": "address"
-        },
-        {
-          "name": "id",
-          "type": "uint256",
-          "indexed": false,
-          "internalType": "uint256"
-        },
-        {
-          "name": "value",
-          "type": "uint256",
-          "indexed": false,
-          "internalType": "uint256"
-        }
-      ],
-      "anonymous": false
-    },
-    {
-      "type": "event",
-      "name": "URI",
-      "inputs": [
-        {
-          "name": "value",
-          "type": "string",
-          "indexed": false,
-          "internalType": "string"
-        },
-        {
-          "name": "id",
-          "type": "uint256",
-          "indexed": true,
-          "internalType": "uint256"
-        }
-      ],
-      "anonymous": false
-    },
-    {
-      "type": "error",
-      "name": "ERC1155InsufficientBalance",
-      "inputs": [
-        {
-          "name": "sender",
-          "type": "address",
-          "internalType": "address"
-        },
-        {
-          "name": "balance",
-          "type": "uint256",
-          "internalType": "uint256"
-        },
-        {
-          "name": "needed",
-          "type": "uint256",
-          "internalType": "uint256"
-        },
-        {
-          "name": "tokenId",
-          "type": "uint256",
-          "internalType": "uint256"
-        }
-      ]
-    },
-    {
-      "type": "error",
-      "name": "ERC1155InvalidApprover",
-      "inputs": [
-        {
-          "name": "approver",
-          "type": "address",
-          "internalType": "address"
-        }
-      ]
-    },
-    {
-      "type": "error",
-      "name": "ERC1155InvalidArrayLength",
-      "inputs": [
-        {
-          "name": "idsLength",
-          "type": "uint256",
-          "internalType": "uint256"
-        },
-        {
-          "name": "valuesLength",
-          "type": "uint256",
-          "internalType": "uint256"
-        }
-      ]
-    },
-    {
-      "type": "error",
-      "name": "ERC1155InvalidOperator",
-      "inputs": [
-        {
-          "name": "operator",
-          "type": "address",
-          "internalType": "address"
-        }
-      ]
-    },
-    {
-      "type": "error",
-      "name": "ERC1155InvalidReceiver",
-      "inputs": [
-        {
-          "name": "receiver",
-          "type": "address",
-          "internalType": "address"
-        }
-      ]
-    },
-    {
-      "type": "error",
-      "name": "ERC1155InvalidSender",
-      "inputs": [
-        {
-          "name": "sender",
-          "type": "address",
-          "internalType": "address"
-        }
-      ]
-    },
-    {
-      "type": "error",
-      "name": "ERC1155MissingApprovalForAll",
-      "inputs": [
-        {
-          "name": "operator",
-          "type": "address",
-          "internalType": "address"
-        },
-        {
-          "name": "owner",
-          "type": "address",
-          "internalType": "address"
-        }
-      ]
-    }
-  ]
-}
diff --git a/packages/paima-sdk/paima-utils/src/artifacts/ERC1155Contract.ts b/packages/paima-sdk/paima-utils/src/artifacts/ERC1155Contract.ts
deleted file mode 100644
index 241ee18d..00000000
--- a/packages/paima-sdk/paima-utils/src/artifacts/ERC1155Contract.ts
+++ /dev/null
@@ -1,418 +0,0 @@
-export default {
-  abi: [
-    {
-      type: 'function',
-      name: 'balanceOf',
-      inputs: [
-        {
-          name: 'account',
-          type: 'address',
-          internalType: 'address',
-        },
-        {
-          name: 'id',
-          type: 'uint256',
-          internalType: 'uint256',
-        },
-      ],
-      outputs: [
-        {
-          name: '',
-          type: 'uint256',
-          internalType: 'uint256',
-        },
-      ],
-      stateMutability: 'view',
-    },
-    {
-      type: 'function',
-      name: 'balanceOfBatch',
-      inputs: [
-        {
-          name: 'accounts',
-          type: 'address[]',
-          internalType: 'address[]',
-        },
-        {
-          name: 'ids',
-          type: 'uint256[]',
-          internalType: 'uint256[]',
-        },
-      ],
-      outputs: [
-        {
-          name: '',
-          type: 'uint256[]',
-          internalType: 'uint256[]',
-        },
-      ],
-      stateMutability: 'view',
-    },
-    {
-      type: 'function',
-      name: 'isApprovedForAll',
-      inputs: [
-        {
-          name: 'account',
-          type: 'address',
-          internalType: 'address',
-        },
-        {
-          name: 'operator',
-          type: 'address',
-          internalType: 'address',
-        },
-      ],
-      outputs: [
-        {
-          name: '',
-          type: 'bool',
-          internalType: 'bool',
-        },
-      ],
-      stateMutability: 'view',
-    },
-    {
-      type: 'function',
-      name: 'safeBatchTransferFrom',
-      inputs: [
-        {
-          name: 'from',
-          type: 'address',
-          internalType: 'address',
-        },
-        {
-          name: 'to',
-          type: 'address',
-          internalType: 'address',
-        },
-        {
-          name: 'ids',
-          type: 'uint256[]',
-          internalType: 'uint256[]',
-        },
-        {
-          name: 'values',
-          type: 'uint256[]',
-          internalType: 'uint256[]',
-        },
-        {
-          name: 'data',
-          type: 'bytes',
-          internalType: 'bytes',
-        },
-      ],
-      outputs: [],
-      stateMutability: 'nonpayable',
-    },
-    {
-      type: 'function',
-      name: 'safeTransferFrom',
-      inputs: [
-        {
-          name: 'from',
-          type: 'address',
-          internalType: 'address',
-        },
-        {
-          name: 'to',
-          type: 'address',
-          internalType: 'address',
-        },
-        {
-          name: 'id',
-          type: 'uint256',
-          internalType: 'uint256',
-        },
-        {
-          name: 'value',
-          type: 'uint256',
-          internalType: 'uint256',
-        },
-        {
-          name: 'data',
-          type: 'bytes',
-          internalType: 'bytes',
-        },
-      ],
-      outputs: [],
-      stateMutability: 'nonpayable',
-    },
-    {
-      type: 'function',
-      name: 'setApprovalForAll',
-      inputs: [
-        {
-          name: 'operator',
-          type: 'address',
-          internalType: 'address',
-        },
-        {
-          name: 'approved',
-          type: 'bool',
-          internalType: 'bool',
-        },
-      ],
-      outputs: [],
-      stateMutability: 'nonpayable',
-    },
-    {
-      type: 'function',
-      name: 'supportsInterface',
-      inputs: [
-        {
-          name: 'interfaceId',
-          type: 'bytes4',
-          internalType: 'bytes4',
-        },
-      ],
-      outputs: [
-        {
-          name: '',
-          type: 'bool',
-          internalType: 'bool',
-        },
-      ],
-      stateMutability: 'view',
-    },
-    {
-      type: 'function',
-      name: 'uri',
-      inputs: [
-        {
-          name: '',
-          type: 'uint256',
-          internalType: 'uint256',
-        },
-      ],
-      outputs: [
-        {
-          name: '',
-          type: 'string',
-          internalType: 'string',
-        },
-      ],
-      stateMutability: 'view',
-    },
-    {
-      type: 'event',
-      name: 'ApprovalForAll',
-      inputs: [
-        {
-          name: 'account',
-          type: 'address',
-          indexed: true,
-          internalType: 'address',
-        },
-        {
-          name: 'operator',
-          type: 'address',
-          indexed: true,
-          internalType: 'address',
-        },
-        {
-          name: 'approved',
-          type: 'bool',
-          indexed: false,
-          internalType: 'bool',
-        },
-      ],
-      anonymous: false,
-    },
-    {
-      type: 'event',
-      name: 'TransferBatch',
-      inputs: [
-        {
-          name: 'operator',
-          type: 'address',
-          indexed: true,
-          internalType: 'address',
-        },
-        {
-          name: 'from',
-          type: 'address',
-          indexed: true,
-          internalType: 'address',
-        },
-        {
-          name: 'to',
-          type: 'address',
-          indexed: true,
-          internalType: 'address',
-        },
-        {
-          name: 'ids',
-          type: 'uint256[]',
-          indexed: false,
-          internalType: 'uint256[]',
-        },
-        {
-          name: 'values',
-          type: 'uint256[]',
-          indexed: false,
-          internalType: 'uint256[]',
-        },
-      ],
-      anonymous: false,
-    },
-    {
-      type: 'event',
-      name: 'TransferSingle',
-      inputs: [
-        {
-          name: 'operator',
-          type: 'address',
-          indexed: true,
-          internalType: 'address',
-        },
-        {
-          name: 'from',
-          type: 'address',
-          indexed: true,
-          internalType: 'address',
-        },
-        {
-          name: 'to',
-          type: 'address',
-          indexed: true,
-          internalType: 'address',
-        },
-        {
-          name: 'id',
-          type: 'uint256',
-          indexed: false,
-          internalType: 'uint256',
-        },
-        {
-          name: 'value',
-          type: 'uint256',
-          indexed: false,
-          internalType: 'uint256',
-        },
-      ],
-      anonymous: false,
-    },
-    {
-      type: 'event',
-      name: 'URI',
-      inputs: [
-        {
-          name: 'value',
-          type: 'string',
-          indexed: false,
-          internalType: 'string',
-        },
-        {
-          name: 'id',
-          type: 'uint256',
-          indexed: true,
-          internalType: 'uint256',
-        },
-      ],
-      anonymous: false,
-    },
-    {
-      type: 'error',
-      name: 'ERC1155InsufficientBalance',
-      inputs: [
-        {
-          name: 'sender',
-          type: 'address',
-          internalType: 'address',
-        },
-        {
-          name: 'balance',
-          type: 'uint256',
-          internalType: 'uint256',
-        },
-        {
-          name: 'needed',
-          type: 'uint256',
-          internalType: 'uint256',
-        },
-        {
-          name: 'tokenId',
-          type: 'uint256',
-          internalType: 'uint256',
-        },
-      ],
-    },
-    {
-      type: 'error',
-      name: 'ERC1155InvalidApprover',
-      inputs: [
-        {
-          name: 'approver',
-          type: 'address',
-          internalType: 'address',
-        },
-      ],
-    },
-    {
-      type: 'error',
-      name: 'ERC1155InvalidArrayLength',
-      inputs: [
-        {
-          name: 'idsLength',
-          type: 'uint256',
-          internalType: 'uint256',
-        },
-        {
-          name: 'valuesLength',
-          type: 'uint256',
-          internalType: 'uint256',
-        },
-      ],
-    },
-    {
-      type: 'error',
-      name: 'ERC1155InvalidOperator',
-      inputs: [
-        {
-          name: 'operator',
-          type: 'address',
-          internalType: 'address',
-        },
-      ],
-    },
-    {
-      type: 'error',
-      name: 'ERC1155InvalidReceiver',
-      inputs: [
-        {
-          name: 'receiver',
-          type: 'address',
-          internalType: 'address',
-        },
-      ],
-    },
-    {
-      type: 'error',
-      name: 'ERC1155InvalidSender',
-      inputs: [
-        {
-          name: 'sender',
-          type: 'address',
-          internalType: 'address',
-        },
-      ],
-    },
-    {
-      type: 'error',
-      name: 'ERC1155MissingApprovalForAll',
-      inputs: [
-        {
-          name: 'operator',
-          type: 'address',
-          internalType: 'address',
-        },
-        {
-          name: 'owner',
-          type: 'address',
-          internalType: 'address',
-        },
-      ],
-    },
-  ],
-};