merkletree: use non-pointer receiver for MarshalJSON
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@ -85,7 +85,7 @@ func (tree *CollapsedTree) Size() uint64 {
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return tree.size
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return tree.size
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}
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}
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func (tree *CollapsedTree) MarshalJSON() ([]byte, error) {
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func (tree CollapsedTree) MarshalJSON() ([]byte, error) {
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return json.Marshal(map[string]interface{}{
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return json.Marshal(map[string]interface{}{
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"nodes": tree.nodes,
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"nodes": tree.nodes,
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"size": tree.size,
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"size": tree.size,
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