@metamask/snaps-rpc-methods/dist/endowments/ethereum-provider.mjs

MetaMask Snaps JSON-RPC method implementations

import { PermissionType, SubjectType } from "@metamask/permission-controller";
import { SnapEndowments } from "./enum.mjs";
const permissionName = SnapEndowments.EthereumProvider;
/**
 * `endowment:ethereum-provider` returns the name of the ethereum global browser API.
 * This is intended to populate the endowments of the
 * SES Compartment in which a Snap executes.
 *
 * This populates the global scope with an EIP-1193 provider, which DOES NOT implement all legacy functionality exposed to dapps.
 *
 * @param _builderOptions - Optional specification builder options.
 * @returns The specification for the network endowment.
 */
const specificationBuilder = (_builderOptions) => {
    return {
        permissionType: PermissionType.Endowment,
        targetName: permissionName,
        allowedCaveats: null,
        endowmentGetter: (_getterOptions) => {
            return ['ethereum'];
        },
        subjectTypes: [SubjectType.Snap],
    };
};
export const ethereumProviderEndowmentBuilder = Object.freeze({
    targetName: permissionName,
    specificationBuilder,
});
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