feat(ethereum): add EIP-1193 browser signer (window.ethereum) for ETH… #180
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… and ABI contract calls Introduces SignerFromBrowser: minimal EIP-1193 wrapper (MetaMask, etc.) Supports ETH transfers via eth_sendTransaction with wait() receipt polling Adds readContract (eth_call + ABI decode) and writeContract (ABI encode + send) Normalizes inputs (bigint/number/string) to 0x hex for gas/fees/value/chainId Exports signer via signers index for package-level access Updates README with window.ethereum usage for ETH and ABI-based contract calls Fixes string decode to strip 0x before hexToBytes Notes: ABI coder supports address/bool/uint*/bytesN/bytes/string and simple dynamic arrays; tuples/nested types not yet supported Non-breaking change; existing signers and query clients unaffected
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… and ABI contract calls
Introduces SignerFromBrowser: minimal EIP-1193 wrapper (MetaMask, etc.) Supports ETH transfers via eth_sendTransaction with wait() receipt polling Adds readContract (eth_call + ABI decode) and writeContract (ABI encode + send) Normalizes inputs (bigint/number/string) to 0x hex for gas/fees/value/chainId Exports signer via signers index for package-level access Updates README with window.ethereum usage for ETH and ABI-based contract calls Fixes string decode to strip 0x before hexToBytes
Notes: ABI coder supports address/bool/uint*/bytesN/bytes/string and simple dynamic arrays; tuples/nested types not yet supported Non-breaking change; existing signers and query clients unaffected