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contract_function_invokers.go
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contract_function_invokers.go
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package fvm
import (
"github.com/opentracing/opentracing-go"
"github.com/onflow/cadence"
"github.com/onflow/cadence/runtime/common"
"github.com/onflow/cadence/runtime/interpreter"
"github.com/onflow/cadence/runtime/sema"
"github.com/onflow/flow-go/fvm/systemcontracts"
"github.com/onflow/flow-go/model/flow"
)
var deductTransactionFeesInvocationArgumentTypes = []sema.Type{
sema.AuthAccountType,
}
// DeductTransactionFeesInvocation prepares a function that calls fee deduction on the service account
func DeductTransactionFeesInvocation(
env Environment,
traceSpan opentracing.Span,
) func(payer flow.Address) (cadence.Value, error) {
return func(payer flow.Address) (cadence.Value, error) {
invoker := NewTransactionContractFunctionInvoker(
common.AddressLocation{
Address: common.Address(env.Context().Chain.ServiceAddress()),
Name: systemcontracts.ContractServiceAccount,
},
systemcontracts.ContractServiceAccountFunction_deductTransactionFee,
[]interpreter.Value{
interpreter.NewAddressValue(common.Address(payer)),
},
deductTransactionFeesInvocationArgumentTypes,
env.Context().Logger,
)
return invoker.Invoke(env, traceSpan)
}
}
var setupNewAccountInvocationArgumentTypes = []sema.Type{
sema.AuthAccountType,
sema.AuthAccountType,
}
// SetupNewAccountInvocation prepares a function that calls new account setup on the service account
func SetupNewAccountInvocation(
env Environment,
traceSpan opentracing.Span,
) func(flowAddress flow.Address, payer common.Address) (cadence.Value, error) {
return func(flowAddress flow.Address, payer common.Address) (cadence.Value, error) {
// uses `FlowServiceAccount.setupNewAccount` from https://github.com/onflow/flow-core-contracts/blob/master/contracts/FlowServiceAccount.cdc
invoker := NewTransactionContractFunctionInvoker(
common.AddressLocation{
Address: common.Address(env.Context().Chain.ServiceAddress()),
Name: systemcontracts.ContractServiceAccount,
},
systemcontracts.ContractServiceAccountFunction_setupNewAccount,
[]interpreter.Value{
interpreter.NewAddressValue(common.Address(flowAddress)),
interpreter.NewAddressValue(payer),
},
setupNewAccountInvocationArgumentTypes,
env.Context().Logger,
)
return invoker.Invoke(env, traceSpan)
}
}
var accountAvailableBalanceInvocationArgumentTypes = []sema.Type{
&sema.AddressType{},
}
// AccountAvailableBalanceInvocation prepares a function that calls get available balance on the storage fees contract
func AccountAvailableBalanceInvocation(
env Environment,
traceSpan opentracing.Span,
) func(address common.Address) (cadence.Value, error) {
return func(address common.Address) (cadence.Value, error) {
invoker := NewTransactionContractFunctionInvoker(
common.AddressLocation{
Address: common.Address(env.Context().Chain.ServiceAddress()),
Name: systemcontracts.ContractStorageFees,
},
systemcontracts.ContractStorageFeesFunction_defaultTokenAvailableBalance,
[]interpreter.Value{
interpreter.NewAddressValue(address),
},
accountAvailableBalanceInvocationArgumentTypes,
env.Context().Logger,
)
return invoker.Invoke(env, traceSpan)
}
}
var accountBalanceInvocationArgumentTypes = []sema.Type{
sema.PublicAccountType,
}
// AccountBalanceInvocation prepares a function that calls get available balance on the service account
func AccountBalanceInvocation(
env Environment,
traceSpan opentracing.Span,
) func(address common.Address) (cadence.Value, error) {
return func(address common.Address) (cadence.Value, error) {
invoker := NewTransactionContractFunctionInvoker(
common.AddressLocation{
Address: common.Address(env.Context().Chain.ServiceAddress()),
Name: systemcontracts.ContractServiceAccount},
systemcontracts.ContractServiceAccountFunction_defaultTokenBalance,
[]interpreter.Value{
interpreter.NewAddressValue(address),
},
accountBalanceInvocationArgumentTypes,
env.Context().Logger,
)
return invoker.Invoke(env, traceSpan)
}
}
var accountStorageCapacityInvocationArgumentTypes = []sema.Type{
&sema.AddressType{},
}
// AccountStorageCapacityInvocation prepares a function that calls get storage capacity on the storage fees contract
func AccountStorageCapacityInvocation(
env Environment,
traceSpan opentracing.Span,
) func(address common.Address) (cadence.Value, error) {
return func(address common.Address) (cadence.Value, error) {
invoker := NewTransactionContractFunctionInvoker(
common.AddressLocation{
Address: common.Address(env.Context().Chain.ServiceAddress()),
Name: systemcontracts.ContractStorageFees,
},
systemcontracts.ContractStorageFeesFunction_calculateAccountCapacity,
[]interpreter.Value{
interpreter.NewAddressValue(address),
},
accountStorageCapacityInvocationArgumentTypes,
env.Context().Logger,
)
return invoker.Invoke(env, traceSpan)
}
}
var useContractAuditVoucherInvocationArgumentTypes = []sema.Type{
&sema.AddressType{},
sema.StringType,
}
// UseContractAuditVoucherInvocation prepares a function that can use a contract deployment audit voucher
func UseContractAuditVoucherInvocation(
env Environment,
traceSpan opentracing.Span,
) func(address common.Address, code string) (bool, error) {
return func(address common.Address, code string) (bool, error) {
invoker := NewTransactionContractFunctionInvoker(
common.AddressLocation{
Address: common.Address(env.Context().Chain.ServiceAddress()),
Name: systemcontracts.ContractDeploymentAudits,
},
systemcontracts.ContractDeploymentAuditsFunction_useVoucherForDeploy,
[]interpreter.Value{
interpreter.NewAddressValue(address),
interpreter.NewStringValue(code),
},
useContractAuditVoucherInvocationArgumentTypes,
env.Context().Logger,
)
resultCdc, err := invoker.Invoke(env, traceSpan)
if err != nil {
return false, err
}
result := resultCdc.(cadence.Bool).ToGoValue().(bool)
return result, nil
}
}