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-rw-r--r--rpc/errors.go65
1 files changed, 65 insertions, 0 deletions
diff --git a/rpc/errors.go b/rpc/errors.go
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+++ b/rpc/errors.go
@@ -0,0 +1,65 @@
+// Copyright 2015 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package rpc
+
+import "fmt"
+
+const defaultErrorCode = -32000
+
+type methodNotFoundError struct{ method string }
+
+func (e *methodNotFoundError) ErrorCode() int { return -32601 }
+
+func (e *methodNotFoundError) Error() string {
+ return fmt.Sprintf("the method %s does not exist/is not available", e.method)
+}
+
+type subscriptionNotFoundError struct{ namespace, subscription string }
+
+func (e *subscriptionNotFoundError) ErrorCode() int { return -32601 }
+
+func (e *subscriptionNotFoundError) Error() string {
+ return fmt.Sprintf("no %q subscription in %s namespace", e.subscription, e.namespace)
+}
+
+// Invalid JSON was received by the server.
+type parseError struct{ message string }
+
+func (e *parseError) ErrorCode() int { return -32700 }
+
+func (e *parseError) Error() string { return e.message }
+
+// received message isn't a valid request
+type invalidRequestError struct{ message string }
+
+func (e *invalidRequestError) ErrorCode() int { return -32600 }
+
+func (e *invalidRequestError) Error() string { return e.message }
+
+// received message is invalid
+type invalidMessageError struct{ message string }
+
+func (e *invalidMessageError) ErrorCode() int { return -32700 }
+
+func (e *invalidMessageError) Error() string { return e.message }
+
+// unable to decode supplied params, or an invalid number of parameters
+type invalidParamsError struct{ message string }
+
+func (e *invalidParamsError) ErrorCode() int { return -32602 }
+
+func (e *invalidParamsError) Error() string { return e.message }