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- extends portfolio holder kit with additional invitation makers for a specific contract - uses prepareGuardedAttenuator to make a mixin
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packages/orchestration/src/examples/auto-stake-it-holder.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| import { E } from '@endo/far'; | ||
| import { getInterfaceGuardPayload, M } from '@endo/patterns'; | ||
| import { | ||
| makeSyncMethodCallback, | ||
| prepareGuardedAttenuator, | ||
| } from '@agoric/internal/src/callback.js'; | ||
| import { EmptyProposalShape } from '@agoric/zoe/src/typeGuards.js'; | ||
| import { pickFacet } from '@agoric/vat-data'; | ||
| import { PortfolioHolderKitI } from '../exos/portfolio-holder-kit.js'; | ||
| import { ChainAddressShape } from '../typeGuards.js'; | ||
|
|
||
| /** | ||
| * @import {Zone} from '@agoric/zone'; | ||
| * @import {MakeAttenuator} from '@agoric/internal/src/callback.js'; | ||
| * @import {TargetRegistration} from '@agoric/vats/src/bridge-target.js'; | ||
| * @import {CosmosValidatorAddress} from '@agoric/orchestration'; | ||
| * @import {PortfolioHolderKit} from '../exos/portfolio-holder-kit.js'; | ||
| * @import {StakingTapHolder} from './auto-stake-it-tap-kit.js'; | ||
| */ | ||
|
|
||
| const AutoStakeInvitationMakersShape = harden({ | ||
| UpdateValidator: M.call(ChainAddressShape).returns(M.promise()), | ||
| CancelAutoStake: M.call().returns(M.promise()), | ||
| }); | ||
|
|
||
| /** | ||
| * @param {Zone} zone | ||
| * @param {ZCF} zcf | ||
| */ | ||
| export const prepareAutoStakeInvMakersFacet = (zone, zcf) => | ||
| zone.exoClass( | ||
| 'AutoStakeHolder Inv Makers', | ||
| M.interface('AutoStakeInvitationMakers', AutoStakeInvitationMakersShape), | ||
| /** | ||
| * @param {TargetRegistration} appRegistration | ||
| * @param {StakingTapHolder} tapHolder | ||
| */ | ||
| (appRegistration, tapHolder) => ({ appRegistration, tapHolder }), | ||
| { | ||
| /** @param {CosmosValidatorAddress} validator */ | ||
| UpdateValidator(validator) { | ||
| return zcf.makeInvitation( | ||
| seat => { | ||
| seat.exit(); | ||
| return E(this.state.tapHolder).updateValidator(validator); | ||
| }, | ||
| 'UpdateValidator', | ||
| undefined, | ||
| EmptyProposalShape, | ||
| ); | ||
| }, | ||
| CancelAutoStake() { | ||
| return zcf.makeInvitation( | ||
| seat => { | ||
| seat.exit(); | ||
| return E(this.state.appRegistration).revoke(); | ||
| }, | ||
| 'CancelAutoStake', | ||
| undefined, | ||
| EmptyProposalShape, | ||
| ); | ||
| }, | ||
| }, | ||
| ); | ||
|
|
||
| /** @typedef {ReturnType<typeof prepareAutoStakeInvMakersFacet>} MakeAutoStakeInvMakersFacet */ | ||
|
|
||
| /** | ||
| * @param {Zone} zone | ||
| * @param {MakeAutoStakeInvMakersFacet} makeAutoStakeInvMakersFacet | ||
| */ | ||
| export const prepareMixinInvitationMakers = ( | ||
| zone, | ||
| makeAutoStakeInvMakersFacet, | ||
| ) => { | ||
| const MixinI = M.interface('Custom InvitationMakers', { | ||
| ...getInterfaceGuardPayload(PortfolioHolderKitI.invitationMakers) | ||
| .methodGuards, | ||
| ...AutoStakeInvitationMakersShape, | ||
| }); | ||
|
|
||
| // XXX i think this should be `PortfolioHolderKit` with our new `invitationMakers` | ||
| /** @type {MakeAttenuator<PortfolioHolderKit>} */ | ||
| const mixin = prepareGuardedAttenuator(zone, MixinI, { | ||
| tag: 'AutoStakeItInvitationMakers', | ||
| }); | ||
|
|
||
| /** | ||
| * @param {PortfolioHolderKit} portfolioHolderKit | ||
| * @param {TargetRegistration} appRegistration | ||
| * @param {StakingTapHolder} tapHolder | ||
| */ | ||
| const mixinInvitationMakers = ( | ||
| portfolioHolderKit, | ||
| appRegistration, | ||
| tapHolder, | ||
| ) => { | ||
| const invitationMakers = makeAutoStakeInvMakersFacet( | ||
| appRegistration, | ||
| tapHolder, | ||
| ); | ||
| return mixin({ | ||
| /// XXX is this is kit, we can include in the prepare? ~~Or an actual | ||
| // instance~~ | ||
| target: portfolioHolderKit, | ||
| // does not 'override' anything, but mixes in | ||
| overrides: { | ||
| UpdateValidator: makeSyncMethodCallback( | ||
| invitationMakers, | ||
| 'UpdateValidator', | ||
| ), | ||
| CancelAutoStake: makeSyncMethodCallback( | ||
| invitationMakers, | ||
| 'CancelAutoStake', | ||
| ), | ||
| }, | ||
| }); | ||
| }; | ||
|
|
||
| return mixinInvitationMakers; | ||
| }; | ||
|
|
||
| /** | ||
| * @param {Zone} zone | ||
| * @param {ZCF} zcf | ||
| */ | ||
| export const prepareAutoStakeHolder = (zone, zcf) => { | ||
| const makeAutoStakeInvMakersFacet = prepareAutoStakeInvMakersFacet(zone, zcf); | ||
| const makeMixinInvitationMakers = prepareMixinInvitationMakers( | ||
| zone, | ||
| makeAutoStakeInvMakersFacet, | ||
| ); | ||
| return pickFacet(makeMixinInvitationMakers, 'holder'); | ||
| }; |
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