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contracts.go
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contracts.go
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package blueprints
import (
_ "embed"
"encoding/hex"
"github.com/onflow/cadence"
jsoncdc "github.com/onflow/cadence/encoding/json"
"github.com/onflow/cadence/runtime/common"
"github.com/onflow/flow-go/model/flow"
)
var ContractDeploymentAuthorizedAddressesPath = cadence.Path{
Domain: common.PathDomainStorage.Identifier(),
Identifier: "authorizedAddressesToDeployContracts",
}
var ContractRemovalAuthorizedAddressesPath = cadence.Path{
Domain: common.PathDomainStorage.Identifier(),
Identifier: "authorizedAddressesToRemoveContracts",
}
var IsContractDeploymentRestrictedPath = cadence.Path{
Domain: common.PathDomainStorage.Identifier(),
Identifier: "isContractDeploymentRestricted",
}
//go:embed scripts/setContractOperationAuthorizersTransactionTemplate.cdc
var setContractOperationAuthorizersTransactionTemplate string
//go:embed scripts/setIsContractDeploymentRestrictedTransactionTemplate.cdc
var setIsContractDeploymentRestrictedTransactionTemplate string
//go:embed scripts/deployContractTransactionTemplate.cdc
var deployContractTransactionTemplate string
// SetContractDeploymentAuthorizersTransaction returns a transaction for updating list of authorized accounts allowed to deploy/update contracts
func SetContractDeploymentAuthorizersTransaction(serviceAccount flow.Address, authorized []flow.Address) (*flow.TransactionBody, error) {
return setContractAuthorizersTransaction(ContractDeploymentAuthorizedAddressesPath, serviceAccount, authorized)
}
// SetContractRemovalAuthorizersTransaction returns a transaction for updating list of authorized accounts allowed to remove contracts
func SetContractRemovalAuthorizersTransaction(serviceAccount flow.Address, authorized []flow.Address) (*flow.TransactionBody, error) {
return setContractAuthorizersTransaction(ContractRemovalAuthorizedAddressesPath, serviceAccount, authorized)
}
func setContractAuthorizersTransaction(
path cadence.Path,
serviceAccount flow.Address,
authorized []flow.Address,
) (*flow.TransactionBody, error) {
addressValues := make([]cadence.Value, 0, len(authorized))
for _, address := range authorized {
addressValues = append(
addressValues,
cadence.BytesToAddress(address.Bytes()))
}
addressesArg, err := jsoncdc.Encode(cadence.NewArray(addressValues))
if err != nil {
return nil, err
}
pathArg, err := jsoncdc.Encode(path)
if err != nil {
return nil, err
}
return flow.NewTransactionBody().
SetScript([]byte(setContractOperationAuthorizersTransactionTemplate)).
AddAuthorizer(serviceAccount).
AddArgument(addressesArg).
AddArgument(pathArg), nil
}
// SetIsContractDeploymentRestrictedTransaction sets the restricted flag for contract deployment
func SetIsContractDeploymentRestrictedTransaction(serviceAccount flow.Address, restricted bool) (*flow.TransactionBody, error) {
argRestricted, err := jsoncdc.Encode(cadence.Bool(restricted))
if err != nil {
return nil, err
}
argPath, err := jsoncdc.Encode(IsContractDeploymentRestrictedPath)
if err != nil {
return nil, err
}
return flow.NewTransactionBody().
SetScript([]byte(setIsContractDeploymentRestrictedTransactionTemplate)).
AddAuthorizer(serviceAccount).
AddArgument(argRestricted).
AddArgument(argPath), nil
}
// TODO (ramtin) get rid of authorizers
func DeployContractTransaction(address flow.Address, contract []byte, contractName string) *flow.TransactionBody {
return flow.NewTransactionBody().
SetScript([]byte(deployContractTransactionTemplate)).
AddArgument(jsoncdc.MustEncode(cadence.String(contractName))).
AddArgument(jsoncdc.MustEncode(cadence.String(hex.EncodeToString(contract)))).
AddAuthorizer(address)
}