❯ yarn hardhat test
NFT Shop
When the Shop contract is deployed
1) defines the ratio as provided in parameters
✔ uses a valid ERC20 as payment token (58ms)
When a user purchase an ERC20 from the Token contract
✔ charges the correct amount of ETH
2) gives the correct amount of tokens
When a user burns an ERC20 at the Token contract
3) "before each" hook for "gives the correct amount of ETH"
When a user purchase a NFT from the Shop contract
4) "before each" hook for "charges the correct amount of tokens"
2 passing (2s)
4 failing
1) NFT Shop
When the Shop contract is deployed
defines the ratio as provided in parameters:
AssertionError: expected 200000000000000000 to equal 1. The numerical values of the given "ethers.BigNumber"
+ expected - actual
-200000000000000000
+1
at Context.<anonymous> (tests/TokenSale.ts:49:24)
at processTicksAndRejections (node:internal/process/task_queues:96:5)
at runNextTicks (node:internal/process/task_queues:65:3)
at listOnTimeout (node:internal/timers:528:9)
at processTimers (node:internal/timers:502:7)
2) NFT Shop
When the Shop contract is deployed
When a user purchase an ERC20 from the Token contract
gives the correct amount of tokens:
AssertionError: expected 5 to equal 1000000000000000000. The numerical values of the given "ethers.BigNumber
+ expected - actual
-5
+1000000000000000000
at Context.<anonymous> (tests/TokenSale.ts:89:30)
at processTicksAndRejections (node:internal/process/task_queues:96:5)
at runNextTicks (node:internal/process/task_queues:65:3)
at listOnTimeout (node:internal/timers:528:9)
at processTimers (node:internal/timers:502:7)
3) NFT Shop
When the Shop contract is deployed
When a user purchase an ERC20 from the Token contract
When a user burns an ERC20 at the Token contract
"before each" hook for "gives the correct amount of ETH":
Error: cannot estimate gas; transaction may fail or may require manual gas limit [ See: https://links.ethers.amount\n ) internal virtual {}\n\n /**\n * @dev Hook that is called after any transfer of tokens. This includes\n * minting and burning.\n *\n * Calling conditions:\n *\n * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * has been transferred to `to`.\n * - when `from` is zero, `amount` tokens have been minted for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens have been burned.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _afterTokenTransfer(\n address from,\n address to,\n uint256 amount\n ) internal virtual {}\n}\n","line":291,"range":[9688,9759]},"message":{"value":{"type":"Buffer","data":[8,195,121,160,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,32,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,34,69,82,67,50,48,58,32,98,117,114,110,32,97,109,111,117,110,116,32,101,120,99,101,101,100,115,32,98,97,108,97,110,99,101,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]},"_selector":"08c379a0"},"isInvalidOpcodeError":false}],"data":"0x08c379a00000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002245524332303a206275726e20616d6f756e7420657863656564732062616c616e6365000000000000000000000000000000000000000000000000000000000000"}, code=UNPREDICTABLE_GAS_LIMIT, version=providers/5.7.2)
at Logger.makeError (node_modules/@ethersproject/logger/src.ts/index.ts:269:28)
at Logger.throwError (node_modules/@ethersproject/logger/src.ts/index.ts:281:20)
at checkError (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:78:20)
at EthersProviderWrapper.<anonymous> (node_modules/@ethersproject/providers/src.ts/json-rpc-provider.ts:642:20)
at step (node_modules/@ethersproject/providers/lib/json-rpc-provider.js:48:23)
at Object.throw (node_modules/@ethersproject/providers/lib/json-rpc-provider.js:29:53)
at rejected (node_modules/@ethersproject/providers/lib/json-rpc-provider.js:21:65)
at processTicksAndRejections (node:internal/process/task_queues:96:5)
at runNextTicks (node:internal/process/task_queues:65:3)
at listOnTimeout (node:internal/timers:528:9)
4) NFT Shop
When the Shop contract is deployed
When a user purchase a NFT from the Shop contract
"before each" hook for "charges the correct amount of tokens":
Error: call revert exception; VM Exception while processing transaction: reverted with reason string "ERC721: invalid token ID" [ See: https://links.ethers.org/v5-errors-CALL_EXCEPTION ] (method="ownerOf(uint256)", data="0x08c379a0000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000184552433732313a20696e76616c696420746f6b656e2049440000000000000000", errorArgs=["ERC721: invalid token ID"], errorName="Error", errorSignature="Error(string)", reason="ERC721: invalid token ID", code=CALL_EXCEPTION, version=abi/5.7.0)
at Logger.makeError (node_modules/@ethersproject/logger/src.ts/index.ts:269:28)
at Logger.throwError (node_modules/@ethersproject/logger/src.ts/index.ts:281:20)
at Interface.decodeFunctionResult (node_modules/@ethersproject/abi/src.ts/interface.ts:427:23)
at Contract.<anonymous> (node_modules/@ethersproject/contracts/src.ts/index.ts:400:44)
at step (node_modules/@ethersproject/contracts/lib/index.js:48:23)
at Object.next (node_modules/@ethersproject/contracts/lib/index.js:29:53)
at fulfilled (node_modules/@ethersproject/contracts/lib/index.js:20:58)
at processTicksAndRejections (node:internal/process/task_queues:96:5)
at runNextTicks (node:internal/process/task_queues:65:3)
at listOnTimeout (node:internal/timers:528:9)