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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 | 63x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 3x 3x 3x 2x 2x 1x 2x 2x 2x 2x 2x 2x 2x 2x 1x 1x 1x | import { AbstractWalletPlugin, cancelable, Cancelable, Checksum256, Checksum256Type, LoginContext, Logo, PublicKey, ResolvedSigningRequest, Signature, WalletPlugin, WalletPluginConfig, WalletPluginLoginResponse, WalletPluginMetadata, WalletPluginSignResponse, } from '@wharfkit/session' import {checkIsFlask, getSnapsProvider, InvokeSnapParams, Snap} from './metamask' import {MetaMaskInpageProvider, RequestArguments} from '@metamask/providers' export type Request = (params: RequestArguments) => Promise<unknown | null> export type GetSnapsResponse = Record<string, Snap> export * from './metamask' export * from './snaps' export interface WalletPluginMetaMaskConfig { snapOrigin?: string setupPageUrl?: string } const defaultSnapOrigin = 'npm:@greymass/eos-wallet' const defaultSetupPageUrl = 'https://unicove.com/metamask' const logo = 'data:image/svg+xml;base64,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' export class WalletPluginMetaMask extends AbstractWalletPlugin implements WalletPlugin { public id = 'wallet-plugin-metamask' public snapOrigin: string public setupPageUrl: string readonly config: WalletPluginConfig = { requiresChainSelect: true, requiresPermissionSelect: true, } readonly metadata: WalletPluginMetadata = WalletPluginMetadata.from({ name: 'MetaMask', description: '', logo: Logo.from({ light: logo, dark: logo, }), homepage: 'https://unicove.com/metamask', download: 'https://unicove.com/metamask', }) constructor(walletPluginMetaMaskConfig?: WalletPluginMetaMaskConfig) { super() this.snapOrigin = walletPluginMetaMaskConfig?.snapOrigin || defaultSnapOrigin this.setupPageUrl = walletPluginMetaMaskConfig?.setupPageUrl || defaultSetupPageUrl } login(context: LoginContext): Cancelable<WalletPluginLoginResponse> { const promise = this.metamaskLogin(context) return cancelable(promise, (canceled) => { throw canceled }) } async metamaskLogin(context: LoginContext): Promise<WalletPluginLoginResponse> { await this.initialize(context) Iif (!this.provider) { throw new Error('Metamask not found') } let chain: Checksum256 if (context.chain) { chain = context.chain.id } else E{ chain = context.chains[0].id } Iif (!context.permissionLevel) { throw new Error( 'Calling login() without a permissionLevel is not supported by the WalletPluginMetaMask plugin.' ) } return { chain, permissionLevel: context.permissionLevel, } } sign(resolved: ResolvedSigningRequest): Cancelable<WalletPluginSignResponse> { const promise = this.metamaskSign(resolved) return cancelable(promise, (canceled) => { throw canceled }) } async metamaskSign(resolved: ResolvedSigningRequest): Promise<WalletPluginSignResponse> { await this.initialize() const result = (await this.invokeSnap({ method: 'antelope_signTransaction', params: { chainId: String(resolved.chainId), transaction: JSON.stringify(resolved.transaction), }, })) as string Iif (!result) { throw new Error('No result returned') } return { signatures: [Signature.from(result)], } } async retrievePublicKey(chainId: Checksum256Type): Promise<PublicKey> { await this.initialize() const result = (await this.invokeSnap({ method: 'antelope_getActivePublicKey', params: {chainId: String(chainId)}, })) as string return PublicKey.from(result) } public installedSnap: Snap | null = null public provider: MetaMaskInpageProvider | null = null public isFlask = false async request({method, params}) { Iif (!this.provider) { throw new Error('Snap provider not found') } const data = (await this.provider.request({ method, params, } as RequestArguments)) ?? null return data } async initialize(context?: LoginContext) { try { if (!this.provider) { this.provider = await getSnapsProvider() } Iif (!this.provider) { throw new Error('Metamask not found') } this.isFlask = await checkIsFlask(this.provider) await this.requestSnap() if (this.provider && !this.installedSnap) { context?.ui?.prompt({ title: 'Antelope Snap Setup Required', body: ` It looks like the Antelope snap for MetaMask isn't installed yet. Click the button below to go to our setup page: `, elements: [ { type: 'button', label: 'Go to Setup Page', data: { onClick: () => { window.open(this.setupPageUrl, '_blank') }, }, }, ], }) } } catch (error) { throw new Error((error as Error).message ?? 'Failed to initialize MetaMask') } } async setSnap() { const snaps = (await this.request({ method: 'wallet_getSnaps', params: {}, })) as GetSnapsResponse this.installedSnap = snaps[this.snapOrigin] ?? null } async requestSnap(id?: string, version?: string) { const snapId = id || this.snapOrigin const snaps = (await this.request({ method: 'wallet_requestSnaps', params: { [snapId]: version ? {version} : {}, }, })) as Record<string, Snap> this.installedSnap = snaps?.[snapId] ?? null } async invokeSnap({method, params}: InvokeSnapParams, id?: string) { const snapId = id || this.snapOrigin return this.request({ method: 'wallet_invokeSnap', params: {snapId, request: {method, params}}, }) } } |