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feat: snapshot erc721 token and return owner address #1586

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merged 1 commit into from
Mar 21, 2024
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feat: snapshot erc721 token and return owner address #1586

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15 changes: 15 additions & 0 deletions lib/godwoken_explorer/token_transfer.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -395,6 +395,21 @@ defmodule GodwokenExplorer.TokenTransfer do
end
end

def snapshot_erc721_token(token_contract_address_hash, start_block_number, end_block_number) do
from(tt in TokenTransfer,
where:
tt.token_contract_address_hash == ^token_contract_address_hash and
tt.block_number >= ^start_block_number and tt.block_number <= ^end_block_number,
select: %{
address_hash: fragment("'0x' || encode(?, 'hex')", tt.to_address_hash),
token_id: tt.token_id
},
distinct: tt.token_id,
order_by: [desc: tt.block_number]
)
|> Repo.all()
end

defp parse_json_result(paginate_result, init_query) do
if paginate_result.total_entries != 0 do
query =
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