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It is creating a provider instance, it also needs creating a Web3 with the provider. It can combine the two steps like this web3 = new Web3('wss://kovan.infura.io/ws/v3/' + projectId) It is doing something like web3provider = new Web3.providers.WebsocketProvider('wss://kovan.infura.io/ws/v3/' + projectId) web3 = new Web3(web3provider)


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It's declared as async, so use await. const accounts = await web3.eth.getAccounts();


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In Ethereum each contract has a key-value storage that uses a Patricia Trie. The root of the storage tree is saved in the contract state, together with the bytecode, balance and nonce. At a high level the solidity language defines how the different types are mapped to storage so at runtime the correct keys are computed when a variable is modified. At a low ...


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Each contract account has persistent storage. The EVM loads and executes the contract code when calling the contract function. When executing the code, the EVM reads or writes the contract's storage value.


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Quote from https://github.com/ethers-io/ethers.js/issues/563 let overrides = { // To convert Ether to Wei: value: ethers.utils.parseEther("1.0") // ether in this case MUST be a string // Or you can use Wei directly if you have that: // value: someBigNumber // value: 1234 // Note that using JavaScript numbers requires they ...


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You can find the canonical definition of the deposit signature in ethereum/eth2.0-specs: process_deposit. Specifically, it is this code: # Verify the deposit signature (proof of possession) which is not checked by the deposit contract deposit_message = DepositMessage( pubkey=deposit.data.pubkey, withdrawal_credentials=deposit.data....


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npm i solc@version By using this command you can do the installation of your required version solidity.


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