
pairs 的表格行类型
{ "name": "pairs_struct", "base": "", "fields": [ { "name": "id", "type": "uint64" }, { "name": "supply", "type": "asset" }, { "name": "pool1", "type": "extended_asset" }, { "name": "pool2", "type": "extended_asset" }, { "name": "fee", "type": "int32" }, { "name": "fee_contract", "type": "name" } ] }