Provide HD Wallet implementation #213
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Kammerlo
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Kammerlo
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…m Wallet.java Need to rework signing to get addresses.
Kammerlo
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Thus removing the unneeded utxosupplier value in Wallet.
satran004
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* #213 rough sketch of needed functionality as a discussion basis * still work in progress * basic transaction working now. Still need to refactor a lot! But first good step. * #213 added WalletUtxoSupplier and removed getUtxo functionalities from Wallet.java Need to rework signing to get addresses. * #213 added stakekey registrations and address caching to wallet * #213 added Tests, WalletUtxoSupplier interface and DefaultWalletUtxoSupplier.java * #213 implemented signing with wallet. A UTXOSupplier will be passed. Thus removing the unneeded utxosupplier value in Wallet. * Refactor Tx sender wallet handling and clean up AbstractTx. Changed the sender wallet handling to return null instead of throwing an exception in Tx.java to allow flexibility in error management. Also, removed redundant 'amounts' field and its initialization from AbstractTx.java for a cleaner codebase. * Refactor TxBuilderContext and QuickTxBuilder Move the transaction building logic into a dedicated private method in `TxBuilderContext`. Refactor `QuickTxBuilder` to use the new build method and streamline the signing process, eliminating redundant code and improving code readability. * Refactor TxSigner to include TxBuilderContext * Normalize mnemonic phrase whitespaces * Update logging dependency to reload4j in build.gradle * Refactor: Change MnemonicUtil import path * Refactor Wallet signing and UTXO handling * Refactor Wallet class and update related tests Refactor Wallet methods and variables for better naming consistency. Remove unused methods and annotations. Add new test for scanning specific indexes in DefaultWalletUtxoSupplier. Update existing tests to align with the refactored method names and structures. * fix: changes to fix SonarQube errors --------- Co-authored-by: Satya <satran004@gmail.com>
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Currently CCL has implementation for CIP 1852 which can be used to derive pub/priv key pairs and addresses at different derivation paths. This can be used in an application to provide HD wallet functionalities. For example, generate addresses at different indexes and find used/unused addresses, utxos from blockchain.
But instead of each application trying to implement their own HD wallet, CCL can provide a basic implementation of HD wallet and provide high level apis.
A java application should be able to use these apis to get list of utxos for an account by scanning addresses at different indexes and also required signers.
This should be developed as a separate optional module.
Notes about BIP-44 and address discovery https://input-output-hk.github.io/cardano-wallet/design/Notes-about-BIP-44
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