16 lines
712 B
Markdown
16 lines
712 B
Markdown
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# Step 4 — Derivation / Signer
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- **types-signer.ts** — Signer interface (Ethereum-style: getAddress, signTransaction, signPersonalMessage). Use as-is for EVM/Chain 138.
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- **getAddress.ts** — getAddress resolver using `@ledgerhq/coin-framework` (GetAddressFn, SignerContext, GetAddressOptions). Register in live-common family setup.
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**CLI check (after currency is added):**
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```bash
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ledger-live getAddress --currency defi_oracle_meta_mainnet --path "44'/60'/0'/0/0" --derivationMode ""
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```
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Or with ethereum currency and chainId in config:
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```bash
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ledger-live getAddress --currency ethereum --path "44'/60'/0'/0/0" --derivationMode ""
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```
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Derivation for Chain 138: **44'/60'/0'/0/0** (standard EVM BIP44).
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