feat(sdk-coin-irys): add commitment transaction builder #8115
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Add the IrysCommitmentTransactionBuilder for building STAKE and PLEDGE commitment transactions. These are custom non-EVM transactions using 7-field RLP encoding with keccak256 prehash for HSM signing. Includes: - Module scaffolding (package.json, tsconfig, mocharc) - Shared interface contract (iface.ts) - Base58 and hex address utility functions (utils.ts) - Commitment transaction builder with RLP encoding, anchor fetching, prehash computation, and broadcast payload creation Ticket: SC-5392
raksha-r7
reviewed
Feb 12, 2026
| private _fee?: bigint; | ||
| private _value?: bigint; | ||
| private _signer?: Uint8Array; // 20 bytes | ||
| private _anchor?: Uint8Array; // 32 bytes (set during build, or manually for testing) |
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Shall we call this as nonce for simplicity and then send this field as anchor while building?
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I don't prefer we do that since this is not a sequential counter like nonce and it would be better to keep it as per chain semantics
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Add the IrysCommitmentTransactionBuilder for building STAKE and PLEDGE commitment transactions. These are custom non-EVM transactions using 7-field RLP encoding with keccak256 prehash for HSM signing.
Includes:
Ticket: SC-5392