概述
ChainStream GraphQL 提供三個用於預測市場資料的 Cube，主要覆蓋 Polygon。這些 Cube 覆蓋預測市場從建立、交易到結算的完整生命週期。預測市場 Cube 位於 EVM 鏈組中，通常與
network: polygon 一起使用。PredictionTrades
近期預測市場交易
query {
EVM(network: polygon) {
PredictionTrades(
limit: {count: 20}
orderBy: {descending: Block_Time}
) {
Block { Time }
Transaction { Hash }
Trade {
Buyer
Seller
Amount
Price
Fee
}
Prediction {
Condition { Id Outcomes }
Question { Id }
Outcome
Marketplace { ProtocolName }
}
}
}
}
指定條件的交易
query {
EVM(network: polygon) {
PredictionTrades(
conditionId: {is: "CONDITION_ID"}
limit: {count: 50}
orderBy: {descending: Block_Time}
) {
Block { Time }
Trade { Buyer Seller Amount Price }
Prediction { Outcome OutcomeToken { SmartContract } }
}
}
}
按交易平臺的成交量
query {
EVM(network: polygon) {
PredictionTrades(
marketplace: {is: "Polymarket"}
limit: {count: 100}
orderBy: {descending: Block_Time}
) {
Block { Time }
Trade { Amount Price }
Prediction {
Question { Id }
Marketplace { ProtocolName }
}
count
sum(of: Trade_Amount)
}
}
}
PredictionManagements
市場建立與結算事件
query {
EVM(network: polygon) {
PredictionManagements(
limit: {count: 20}
orderBy: {descending: Block_Time}
) {
Block { Time }
Transaction { Hash }
Management {
EventType
Description
Group
Prediction {
Condition { Id }
Question { Id }
Marketplace { ProtocolName }
}
}
}
}
}
按事件型別篩選
query {
EVM(network: polygon) {
PredictionManagements(
eventType: {is: "ConditionResolution"}
limit: {count: 20}
orderBy: {descending: Block_Time}
) {
Block { Time }
Management {
EventType
Description
Prediction { Condition { Id Outcomes } }
}
}
}
}
PredictionSettlements
近期結算
query {
EVM(network: polygon) {
PredictionSettlements(
limit: {count: 20}
orderBy: {descending: Block_Time}
) {
Block { Time }
Transaction { Hash }
Settlement {
EventType
Holder
OutcomeTokenIds
Amounts
Prediction {
Condition { Id }
CollateralToken { SmartContract Symbol }
Marketplace { ProtocolName }
}
}
}
}
}
指定持有人的結算
query {
EVM(network: polygon) {
PredictionSettlements(
holder: {is: "0xHOLDER_ADDRESS"}
limit: {count: 50}
orderBy: {descending: Block_Time}
) {
Block { Time }
Settlement {
EventType
Amounts
Prediction { Condition { Id } }
}
}
}
}
相關文件
資料 Cube
預測市場 Cube 的詳細欄位結構。
鏈組
預測類 Cube 僅支援 EVM，主要在 Polygon 上。