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Merge pull request #2912 from onflow/bastian/cap-cons-state-migration
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| /* | ||
| * Cadence - The resource-oriented smart contract programming language | ||
| * | ||
| * Copyright Dapper Labs, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package capcons | ||
|
|
||
| import ( | ||
| "github.com/onflow/cadence/migrations" | ||
| "github.com/onflow/cadence/runtime/common" | ||
| "github.com/onflow/cadence/runtime/errors" | ||
| "github.com/onflow/cadence/runtime/interpreter" | ||
| "github.com/onflow/cadence/runtime/sema" | ||
| ) | ||
|
|
||
| type CapabilityMigrationReporter interface { | ||
| MigratedPathCapability( | ||
| accountAddress common.Address, | ||
| addressPath interpreter.AddressPath, | ||
| borrowType *interpreter.ReferenceStaticType, | ||
| ) | ||
| MissingCapabilityID( | ||
| accountAddress common.Address, | ||
| addressPath interpreter.AddressPath, | ||
| ) | ||
| } | ||
|
|
||
| // CapabilityMigration migrates all path capabilities to ID capabilities, | ||
| // using the path to ID capability controller mapping generated by LinkMigration. | ||
| type CapabilityMigration struct { | ||
| CapabilityIDs map[interpreter.AddressPath]interpreter.UInt64Value | ||
| Reporter CapabilityMigrationReporter | ||
| } | ||
|
|
||
| var _ migrations.Migration = &CapabilityMigration{} | ||
|
|
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| func (*CapabilityMigration) Name() string { | ||
| return "CapabilityMigration" | ||
| } | ||
|
|
||
| var fullyEntitledAccountReferenceStaticType = interpreter.ConvertSemaReferenceTypeToStaticReferenceType( | ||
| nil, | ||
| sema.FullyEntitledAccountReferenceType, | ||
| ) | ||
|
|
||
| // Migrate migrates a path capability to an ID capability in the given value. | ||
| // If a value is returned, the value must be updated with the replacement in the parent. | ||
| // If nil is returned, the value was not updated and no operation has to be performed. | ||
| func (m *CapabilityMigration) Migrate( | ||
| addressPath interpreter.AddressPath, | ||
| value interpreter.Value, | ||
| _ *interpreter.Interpreter, | ||
| ) interpreter.Value { | ||
| reporter := m.Reporter | ||
|
|
||
| switch value := value.(type) { | ||
| case *interpreter.PathCapabilityValue: //nolint:staticcheck | ||
|
|
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| // Migrate the path capability to an ID capability | ||
|
|
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| oldCapability := value | ||
|
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| capabilityAddressPath := oldCapability.AddressPath() | ||
| capabilityID, ok := m.CapabilityIDs[capabilityAddressPath] | ||
| if !ok { | ||
| if reporter != nil { | ||
| reporter.MissingCapabilityID( | ||
| addressPath.Address, | ||
| capabilityAddressPath, | ||
| ) | ||
| } | ||
| break | ||
| } | ||
|
|
||
| newBorrowType, ok := oldCapability.BorrowType.(*interpreter.ReferenceStaticType) | ||
| if !ok { | ||
| panic(errors.NewUnreachableError()) | ||
| } | ||
|
|
||
| // Convert the old AuthAccount type to the new fully-entitled Account type | ||
| if newBorrowType.ReferencedType == interpreter.PrimitiveStaticTypeAuthAccount { //nolint:staticcheck | ||
| newBorrowType = fullyEntitledAccountReferenceStaticType | ||
| } | ||
|
|
||
| newCapability := interpreter.NewUnmeteredCapabilityValue( | ||
| capabilityID, | ||
| oldCapability.Address, | ||
| newBorrowType, | ||
| ) | ||
|
|
||
| if reporter != nil { | ||
| reporter.MigratedPathCapability( | ||
| addressPath.Address, | ||
| capabilityAddressPath, | ||
| newBorrowType, | ||
| ) | ||
| } | ||
|
|
||
| return newCapability | ||
| } | ||
|
|
||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| /* | ||
| * Cadence - The resource-oriented smart contract programming language | ||
| * | ||
| * Copyright Dapper Labs, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package capcons | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "strings" | ||
|
|
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| "github.com/onflow/cadence/runtime/common" | ||
| "github.com/onflow/cadence/runtime/errors" | ||
| "github.com/onflow/cadence/runtime/interpreter" | ||
| ) | ||
|
|
||
| // CyclicLinkError | ||
| type CyclicLinkError struct { | ||
| Paths []interpreter.PathValue | ||
| Address common.Address | ||
| } | ||
|
|
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| var _ errors.UserError = CyclicLinkError{} | ||
|
|
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| func (CyclicLinkError) IsUserError() {} | ||
|
|
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| func (e CyclicLinkError) Error() string { | ||
| var builder strings.Builder | ||
| for i, path := range e.Paths { | ||
| if i > 0 { | ||
| builder.WriteString(" -> ") | ||
| } | ||
| builder.WriteString(path.String()) | ||
| } | ||
| paths := builder.String() | ||
|
|
||
| return fmt.Sprintf( | ||
| "cyclic link in account %s: %s", | ||
| e.Address.ShortHexWithPrefix(), | ||
| paths, | ||
| ) | ||
| } |
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