72 lines
2.3 KiB
Go
72 lines
2.3 KiB
Go
package simulation
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import (
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"math/rand"
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"time"
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v1 "cosmossdk.io/api/cosmos/gov/v1"
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"cosmossdk.io/core/address"
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sdkmath "cosmossdk.io/math"
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"cosmossdk.io/x/authz"
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banktypes "cosmossdk.io/x/bank/types"
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codectypes "github.com/cosmos/cosmos-sdk/codec/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/types/module"
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simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
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)
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// genGrant returns a slice of authorization grants.
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func genGrant(r *rand.Rand, accounts []simtypes.Account, genT time.Time, cdc address.Codec) []authz.GrantAuthorization {
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authorizations := make([]authz.GrantAuthorization, len(accounts)-1)
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for i := 0; i < len(accounts)-1; i++ {
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granter := accounts[i]
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grantee := accounts[i+1]
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var expiration *time.Time
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if i%3 != 0 { // generate some grants with no expire time
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e := genT.AddDate(1, 0, 0)
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expiration = &e
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}
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granterAddr, _ := cdc.BytesToString(granter.Address)
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granteeAddr, _ := cdc.BytesToString(grantee.Address)
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authorizations[i] = authz.GrantAuthorization{
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Granter: granterAddr,
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Grantee: granteeAddr,
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Authorization: generateRandomGrant(r, cdc),
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Expiration: expiration,
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}
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}
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return authorizations
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}
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func generateRandomGrant(r *rand.Rand, addressCodec address.Codec) *codectypes.Any {
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authorizations := make([]*codectypes.Any, 2)
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sendAuthz := banktypes.NewSendAuthorization(sdk.NewCoins(sdk.NewCoin("stake", sdkmath.NewInt(1000))), nil, addressCodec)
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authorizations[0] = newAnyAuthorization(sendAuthz)
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authorizations[1] = newAnyAuthorization(authz.NewGenericAuthorization(sdk.MsgTypeURL(&v1.MsgSubmitProposal{})))
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return authorizations[r.Intn(len(authorizations))]
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}
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func newAnyAuthorization(a authz.Authorization) *codectypes.Any {
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any, err := codectypes.NewAnyWithValue(a)
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if err != nil {
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panic(err)
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}
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return any
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}
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// RandomizedGenState generates a random GenesisState for authz.
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func RandomizedGenState(simState *module.SimulationState) {
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var grants []authz.GrantAuthorization
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simState.AppParams.GetOrGenerate("authz", &grants, simState.Rand, func(r *rand.Rand) {
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grants = genGrant(r, simState.Accounts, simState.GenTimestamp, simState.AddressCodec)
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})
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authzGrantsGenesis := authz.NewGenesisState(grants)
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simState.GenState[authz.ModuleName] = simState.Cdc.MustMarshalJSON(authzGrantsGenesis)
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}
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