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maschad avatar maschad commented on July 19, 2024 1

yarn start --task=initPool is used to manually initialize variables, but the problem now is that the variables are not initialized when they are defined.

My bad thanks for the clarification, the issue is that you weren't passing the storageSlots as an option when you were deploying the pool contract in the createPool task. (See https://docs.fuel.network/docs/fuels-ts/contracts/storage-slots/#storage-slots for more info)

I've applied the fix here and it works for me. See the code snippet below:

export const deploy_pool_contract = async (wallet: Account, assetIdA: string, assetIdB: string) => {

    const bytecodeDir = join(__dirname, '../../AMM/exchange-contract/out/debug/exchange-contract.bin')

	// Get the storage slot directory
    const storageSlotsDir = join(__dirname, '../../AMM/exchange-contract/out/debug/exchange-contract-storage_slots.json')

    const bytecode = readFileSync(bytecodeDir)
	
    // Parse the Storage slot JSON object
    const storageSlots = JSON.parse(readFileSync(storageSlotsDir, 'utf-8'))

    const factory = new ContractFactory(bytecode, ExchangeContractAbi__factory.abi, wallet)

    // Ensure it's passed to the deployContract function call
    let contractAbi = await factory.deployContract({ storageSlots })

    return contractAbi as ExchangeContractAbi
}

Does this solve your issue?

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maschad avatar maschad commented on July 19, 2024

Hey @cherideal I suspect this may be because the pool was not initialized, after running

yarn start --task=initPool

then running

yarn start --task=test1

I got the following output

fuel19ztwgeul8yzffsr0df0me8kk8vtr5xpnwlkup79aksv8m47m9h0qdxlfru
0xf8f8b6283d7fa5b672b530cbb84fcccb4ff8dc40f8176ef4544ddb1f1952ad07 1929679
test1 done
0x580085ecb00ce878a662d19582a5d40cbe4417184f2514ed427c937ce4f50781 test USD tUSD 6
0x299ea939953a56ab887dc663140b7b65da4be47851eb5f216d5201290cdae30d test BTC tBTC 10
{
  tokenContract: '0xf1ea11be20f8d6d7a30ff69f21bffc1a95910e0459b03fbdd5c5070f4f48f82d',
  tokens: [
    {
      assetId: '0x580085ecb00ce878a662d19582a5d40cbe4417184f2514ed427c937ce4f50781',
      subId: '0x0000000000000000000000000000000000000000000000000000000000000000',
      name: 'test USD',
      symbol: 'tUSD',
      decimals: 6
    },
    {
      assetId: '0x299ea939953a56ab887dc663140b7b65da4be47851eb5f216d5201290cdae30d',
      subId: '0x0000000000000000000000000000000000000000000000000000000000000001',
      name: 'test BTC',
      symbol: 'tBTC',
      decimals: 10
    }
  ],
  ammContract: '0xe00f7e7f0508ef31649b828bdfc1518c38e1b9ae09e04cb9681cfe6ba66a66de',
  pools: {
    '0x580085ecb00ce878a662d19582a5d40cbe4417184f2514ed427c937ce4f50781': {
      '0x299ea939953a56ab887dc663140b7b65da4be47851eb5f216d5201290cdae30d': '0x5600472e368e0934a39d5c2c25db0b56152939265a9181e6a91bf8fc3d68d04a'
    },
    '0x299ea939953a56ab887dc663140b7b65da4be47851eb5f216d5201290cdae30d': {
      '0x580085ecb00ce878a662d19582a5d40cbe4417184f2514ed427c937ce4f50781': '0x5600472e368e0934a39d5c2c25db0b56152939265a9181e6a91bf8fc3d68d04a'
    }
  }
}
✨  Done in 4.89s.

and then

yarn start --task=test2

❯ yarn start --task=test2
yarn run v1.22.19
warning ../../../package.json: No license field
$ ts-node src/index.ts --task=test2
The Fuel Node that you are trying to connect to is using fuel-core version 0.29.0,
which is not supported by the version of the TS SDK that you are using.
Things may not work as expected.
Supported fuel-core version: 0.27.0.
fuel19ztwgeul8yzffsr0df0me8kk8vtr5xpnwlkup79aksv8m47m9h0qdxlfru
0xf8f8b6283d7fa5b672b530cbb84fcccb4ff8dc40f8176ef4544ddb1f1952ad07 1929679
test2 done
0x580085ecb00ce878a662d19582a5d40cbe4417184f2514ed427c937ce4f50781 test USD tUSD 6
0x299ea939953a56ab887dc663140b7b65da4be47851eb5f216d5201290cdae30d test BTC tBTC 10
{
  tokenContract: '0xf1ea11be20f8d6d7a30ff69f21bffc1a95910e0459b03fbdd5c5070f4f48f82d',
  tokens: [
    {
      assetId: '0x580085ecb00ce878a662d19582a5d40cbe4417184f2514ed427c937ce4f50781',
      subId: '0x0000000000000000000000000000000000000000000000000000000000000000',
      name: 'test USD',
      symbol: 'tUSD',
      decimals: 6
    },
    {
      assetId: '0x299ea939953a56ab887dc663140b7b65da4be47851eb5f216d5201290cdae30d',
      subId: '0x0000000000000000000000000000000000000000000000000000000000000001',
      name: 'test BTC',
      symbol: 'tBTC',
      decimals: 10
    }
  ],
  ammContract: '0xe00f7e7f0508ef31649b828bdfc1518c38e1b9ae09e04cb9681cfe6ba66a66de',
  pools: {
    '0x580085ecb00ce878a662d19582a5d40cbe4417184f2514ed427c937ce4f50781': {
      '0x299ea939953a56ab887dc663140b7b65da4be47851eb5f216d5201290cdae30d': '0x5600472e368e0934a39d5c2c25db0b56152939265a9181e6a91bf8fc3d68d04a'
    },
    '0x299ea939953a56ab887dc663140b7b65da4be47851eb5f216d5201290cdae30d': {
      '0x580085ecb00ce878a662d19582a5d40cbe4417184f2514ed427c937ce4f50781': '0x5600472e368e0934a39d5c2c25db0b56152939265a9181e6a91bf8fc3d68d04a'
    }
  }
}

Could you retry the commands and then let me know if this solves your issue?

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cherideal avatar cherideal commented on July 19, 2024

yarn start --task=initPool is used to manually initialize variables, but the problem now is that the variables are not initialized when they are defined.

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cherideal avatar cherideal commented on July 19, 2024

This solves my problem, but what is the purpose of the initialization here?
storage {
liquidity_pool_supply: u64 = 0
}

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maschad avatar maschad commented on July 19, 2024

This solves my problem, but what is the purpose of the initialization here? storage { liquidity_pool_supply: u64 = 0 }

Those said values that where initialized in a storage slot also need to be deployed with the smart contract in order for the VM to allocate the storage blocks. That's the purpose of the custom storage slots. You can read more about storage here

I'm going to close this issue since the initial problem has been addressed. Feel free to open a discussion or forum post if you have any more questions about storage.

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