Validator.exchangeRatesTable from Graph QL

[nishitCrowe]

Hi Team,

Can anyone suggest how to get PoolTokenExchangeRate from Validator.exchangeRatesTable using Graph QL. Below is the query I have tried.

query {
  epoch(id: 167) {
    totalStakeRewards
    totalGasFees
    totalStakeSubsidies
    startTimestamp
    totalTransactions
    validatorSet{
        totalStake
        activeValidators{
            pageInfo{
                hasNextPage
                endCursor
            }
            nodes{
                address{
                    address
                }
                name
                description
                exchangeRatesSize
                exchangeRatesTable{
                    address
                }
            }
        }
    }
    systemStakeSubsidy{
        currentDistributionAmount
        distributionCounter
        balance
        periodLength
        decreaseRate
    }
    transactionBlocks {
      pageInfo {
        hasNextPage
        endCursor
      }
      nodes {
        digest
        sender {
          address
        }
        effects {
          gasEffects {
            gasObject {
              address
            }
          }
        }
        gasInput {
          gasPrice
          gasBudget
        }
      }
    }
  }
}

[github-actions]

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[stefan-mysten]

Is this what you want?

query {
  epoch(id: 167) {
    validatorSet{
      activeValidators{
      	nodes {
          exchangeRatesTable {
            address
            dynamicFields {
              nodes {
                name {
                   json
                }
                value {
                  __typename ... on MoveValue {
                    json
                  }
                }
              }
            }
          }
        }
      }
    }
  }
}

[nishitCrowe]

Yes that's what I was looking for.

Actually I want to replicate the functionality defined in calulcate_rewards function reside in staking_pool.move class. So I am collecting data from Graph QL API to get historic data of epoch exchange rates to get reward.

Could you please help like is there any reference where I can get to know what all properties are there in dynamic fields and what does that mean.