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feat: support offer signing with keplr
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38 changes: 38 additions & 0 deletions
38
packages/web-components/src/wallet-connection/chainInfo.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| /** @typedef {import('@keplr-wallet/types').Bech32Config} Bech32Config */ | ||
| /** @typedef {import('@keplr-wallet/types').FeeCurrency} FeeCurrency */ | ||
|
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| /** @type {FeeCurrency} */ | ||
| export const stakeCurrency = { | ||
| coinDenom: 'BLD', | ||
| coinMinimalDenom: 'ubld', | ||
| coinDecimals: 6, | ||
| coinGeckoId: undefined, | ||
| gasPriceStep: { | ||
| low: 0, | ||
| average: 0, | ||
| high: 0, | ||
| }, | ||
| }; | ||
|
|
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| /** @type {FeeCurrency} */ | ||
| export const stableCurrency = { | ||
| coinDenom: 'IST', | ||
| coinMinimalDenom: 'uist', | ||
| coinDecimals: 6, | ||
| coinGeckoId: undefined, | ||
| gasPriceStep: { | ||
| low: 0, | ||
| average: 0, | ||
| high: 0, | ||
| }, | ||
| }; | ||
|
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| /** @type {Bech32Config} */ | ||
| export const bech32Config = { | ||
| bech32PrefixAccAddr: 'agoric', | ||
| bech32PrefixAccPub: 'agoricpub', | ||
| bech32PrefixValAddr: 'agoricvaloper', | ||
| bech32PrefixValPub: 'agoricvaloperpub', | ||
| bech32PrefixConsAddr: 'agoricvalcons', | ||
| bech32PrefixConsPub: 'agoricvalconspub', | ||
| }; |
156 changes: 156 additions & 0 deletions
156
packages/web-components/src/wallet-connection/makeInteractiveSigner.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,156 @@ | ||
| import { fromBech32, toBech32, fromBase64, toBase64 } from '@cosmjs/encoding'; | ||
| import { Registry } from '@cosmjs/proto-signing'; | ||
| import { | ||
| AminoTypes, | ||
| defaultRegistryTypes, | ||
| assertIsDeliverTxSuccess, | ||
| createBankAminoConverters, | ||
| createAuthzAminoConverters, | ||
| } from '@cosmjs/stargate'; | ||
| import { MsgWalletSpendAction } from '@agoric/cosmic-proto/swingset/msgs.js'; | ||
| import { stableCurrency, bech32Config } from './chainInfo.js'; | ||
| import { Errors } from '../errors.js'; | ||
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| /** @typedef {import("@cosmjs/proto-signing").EncodeObject} EncodeObject */ | ||
| /** @typedef {import("@cosmjs/stargate").AminoConverters} AminoConverters */ | ||
| /** @typedef {import("@cosmjs/stargate").StdFee} StdFee */ | ||
| /** @typedef {import('@keplr-wallet/types').ChainInfo} ChainInfo */ | ||
| /** @typedef {import('@keplr-wallet/types').Keplr} Keplr */ | ||
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| /** | ||
| * @param {string} address | ||
| * @returns {Uint8Array} | ||
| */ | ||
| const toAccAddress = address => { | ||
| return fromBech32(address).data; | ||
| }; | ||
|
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||
| /** | ||
| * `/agoric.swingset.XXX` matches package agoric.swingset in swingset/msgs.proto | ||
| * aminoType taken from Type() in golang/cosmos/x/swingset/types/msgs.go | ||
| */ | ||
| const SwingsetMsgs = { | ||
| MsgWalletSpendAction: { | ||
| typeUrl: '/agoric.swingset.MsgWalletSpendAction', | ||
| aminoType: 'swingset/WalletSpendAction', | ||
| }, | ||
| }; | ||
|
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| /** @typedef {{owner: string, spendAction: string}} WalletSpendAction */ | ||
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| const SwingsetRegistry = new Registry([ | ||
| ...defaultRegistryTypes, | ||
| // XXX should this list be "upstreamed" to @agoric/cosmic-proto? | ||
| [SwingsetMsgs.MsgWalletSpendAction.typeUrl, MsgWalletSpendAction], | ||
| ]); | ||
|
|
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| /** | ||
| * @returns {StdFee} | ||
| */ | ||
| const zeroFee = () => { | ||
| const { coinMinimalDenom: denom } = stableCurrency; | ||
| const fee = { | ||
| amount: [{ amount: '0', denom }], | ||
| gas: '300000', // TODO: estimate gas? | ||
| }; | ||
| return fee; | ||
| }; | ||
|
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| /** | ||
| * @type {AminoConverters} | ||
| */ | ||
| const SwingsetConverters = { | ||
| [SwingsetMsgs.MsgWalletSpendAction.typeUrl]: { | ||
| aminoType: SwingsetMsgs.MsgWalletSpendAction.aminoType, | ||
| toAmino: ({ spendAction, owner }) => ({ | ||
| spend_action: spendAction, | ||
| owner: toBech32(bech32Config.bech32PrefixAccAddr, fromBase64(owner)), | ||
| }), | ||
| fromAmino: ({ spend_action: spendAction, owner }) => ({ | ||
| spendAction, | ||
| owner: toBase64(toAccAddress(owner)), | ||
| }), | ||
| }, | ||
| }; | ||
|
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| /** | ||
| * Use Keplr to sign offers and delegate object messaging to local storage key. | ||
| * @param {string} chainId | ||
| * @param {string} rpc | ||
| * @param {Keplr} keplr | ||
| * @param {typeof import('@cosmjs/stargate').SigningStargateClient.connectWithSigner} connectWithSigner | ||
| * Ref: https://docs.keplr.app/api/ | ||
| */ | ||
| export const makeInteractiveSigner = async ( | ||
| chainId, | ||
| rpc, | ||
| keplr, | ||
| connectWithSigner, | ||
| ) => { | ||
| try { | ||
| // eslint-disable-next-line @jessie.js/safe-await-separator | ||
| await keplr.enable(chainId); | ||
| } catch { | ||
| throw Error(Errors.enableKeplr); | ||
| } | ||
|
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| const key = await keplr.getKey(chainId); | ||
|
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| // Until we have SIGN_MODE_TEXTUAL, | ||
| // Use Amino because Direct results in ugly protobuf in the keplr UI. | ||
| const offlineSigner = await keplr.getOfflineSignerOnlyAmino(chainId); | ||
| console.debug('InteractiveSigner', { offlineSigner }); | ||
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| // Currently, Keplr extension manages only one address/public key pair. | ||
| const [account] = await offlineSigner.getAccounts(); | ||
| const { address } = account; | ||
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| const converters = { | ||
| ...SwingsetConverters, | ||
| ...createBankAminoConverters(), | ||
| ...createAuthzAminoConverters(), | ||
| }; | ||
| const signingClient = await connectWithSigner(rpc, offlineSigner, { | ||
| aminoTypes: new AminoTypes(converters), | ||
| registry: SwingsetRegistry, | ||
| }); | ||
| console.debug('InteractiveSigner', { signingClient }); | ||
|
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| const fee = zeroFee(); | ||
|
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| return harden({ | ||
| address, // TODO: address can change | ||
| isNanoLedger: key.isNanoLedger, | ||
| /** | ||
| * Sign and broadcast WalletSpendAction | ||
| * | ||
| * @param {string} spendAction marshaled offer | ||
| * @throws if account does not exist on chain, user cancels, | ||
| * RPC connection fails, RPC service fails to broadcast ( | ||
| * for example, if signature verification fails) | ||
| */ | ||
| submitSpendAction: async spendAction => { | ||
| const { accountNumber, sequence } = await signingClient.getSequence( | ||
| address, | ||
| ); | ||
| console.debug({ accountNumber, sequence }); | ||
|
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| const act1 = { | ||
| typeUrl: SwingsetMsgs.MsgWalletSpendAction.typeUrl, | ||
| value: { | ||
| owner: toBase64(toAccAddress(address)), | ||
| spendAction, | ||
| }, | ||
| }; | ||
|
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| const msgs = [act1]; | ||
| console.debug('sign spend action', { address, msgs, fee }); | ||
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| const tx = await signingClient.signAndBroadcast(address, msgs, fee); | ||
| console.debug('spend action result tx', tx); | ||
| assertIsDeliverTxSuccess(tx); | ||
|
|
||
| return tx; | ||
| }, | ||
| }); | ||
| }; |
69 changes: 67 additions & 2 deletions
69
packages/web-components/src/wallet-connection/walletConnection.js
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