2022-09-18 09:45:31 -07:00
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global mpt_hash:
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2022-09-30 13:04:16 -07:00
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// stack: node_ptr, retdest
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DUP1
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%mload_trie_data
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// stack: node_type, node_ptr, retdest
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// Increment node_ptr, so it points to the node payload instead of its type.
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SWAP1 %add_const(1) SWAP1
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// stack: node_type, node_payload_ptr, retdest
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DUP1 %eq_const(@MPT_NODE_EMPTY) %jumpi(mpt_hash_empty)
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DUP1 %eq_const(@MPT_NODE_HASH) %jumpi(mpt_hash_hash)
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DUP1 %eq_const(@MPT_NODE_BRANCH) %jumpi(mpt_hash_branch)
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DUP1 %eq_const(@MPT_NODE_EXTENSION) %jumpi(mpt_hash_extension)
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DUP1 %eq_const(@MPT_NODE_LEAF) %jumpi(mpt_hash_leaf)
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PANIC // Invalid node type? Shouldn't get here.
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mpt_hash_empty:
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%stack (node_type, node_payload_ptr, retdest) -> (retdest, @EMPTY_NODE_HASH)
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JUMP
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mpt_hash_hash:
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// stack: node_type, node_payload_ptr, retdest
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POP
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// stack: node_payload_ptr, retdest
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%mload_trie_data
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// stack: hash, retdest
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SWAP1
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JUMP
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mpt_hash_branch:
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// stack: node_type, node_payload_ptr, retdest
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POP
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// stack: node_payload_ptr, retdest
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PANIC // TODO
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mpt_hash_extension:
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// stack: node_type, node_payload_ptr, retdest
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POP
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// stack: node_payload_ptr, retdest
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PANIC // TODO
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mpt_hash_leaf:
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// stack: node_type, node_payload_ptr, retdest
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POP
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// stack: node_payload_ptr, retdest
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DUP1 %mload_trie_data
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// stack: node_nibbles, node_payload_ptr, retdest
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PANIC // TODO
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