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feat: Mellow LRTs on balancer #21

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merged 1 commit into from
Jul 5, 2024
Merged

feat: Mellow LRTs on balancer #21

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4 changes: 2 additions & 2 deletions client/spot_prices.go
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Original file line number Diff line number Diff line change
Expand Up @@ -91,9 +91,9 @@ func (c *Client) QueryBalancerSpotPrice(p pool.Pool, blockNum uint64) indexer.Sp
c.reportError(fmt.Errorf("error initializing %s pool caller: %w", p.ExchangePair(), err))
return indexer.SpotPrice{}
}
poolRate, err := poolCaller.GetRate(nil)
poolRate, err := poolCaller.GetTokenRate(nil, common.HexToAddress(p.TokenAddress))
if err != nil {
c.reportError(fmt.Errorf("error getting %s pool balance: %w", p.ExchangePair(), err))
c.reportError(fmt.Errorf("error getting %s token rate from pool: %w", p.ExchangePair(), err))
return indexer.SpotPrice{}
}
return indexer.SpotPrice{
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16 changes: 3 additions & 13 deletions client/swaps.go
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Expand Up @@ -125,23 +125,13 @@ func (c *Client) WatchBalancerSwapEvent(p pool.Pool) error {
return err
}

// retreive token addresses of pool
vaultCaller, err := vault.NewPoolCaller(vaultAddress, c.ethClient)
if err != nil {
return err
}
poolTokens, err := vaultCaller.GetPoolTokens(nil, poolId)
if err != nil {
return err
}

// build parameters for swap event subscription
poolIdParam := make([][32]byte, 1)
poolIdParam[0] = poolId
tokenInParam := make([]common.Address, 1)
tokenInParam[0] = poolTokens.Tokens[0]
tokenInParam[0] = common.HexToAddress(p.TokenAddress)
tokenOutParam := make([]common.Address, 1)
tokenOutParam[0] = poolTokens.Tokens[1]
tokenOutParam[0] = common.HexToAddress(p.TokenAddress)

vaultFilterer, err := vault.NewPoolFilterer(vaultAddress, c.ethClient)
if err != nil {
Expand Down Expand Up @@ -173,7 +163,7 @@ func (c *Client) WatchBalancerSwapEvent(p pool.Pool) error {

swap := p.ConvertBalancerEventToSwap(event, poolRate)
spotPrice := p.ConvertBalancerEventToSpotPrice(event, poolRate)
c.logger.Info().Interface("balancer swap", swap).Msg("algebra swap event received")
c.logger.Info().Interface("balancer swap", swap).Msg("balancer swap event received")
c.indexer.AddSwap(swap)
c.indexer.AddPrice(spotPrice)
}
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1 change: 1 addition & 0 deletions pool/pool.go
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Expand Up @@ -14,6 +14,7 @@ import (

type Pool struct {
Address string `yaml:"address"`
TokenAddress string `yaml:"token_address"`
Base string `yaml:"base"`
Quote string `yaml:"quote"`
BaseDecimal uint64 `yaml:"base_decimal"`
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7 changes: 4 additions & 3 deletions sample-config.yaml
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Expand Up @@ -67,9 +67,10 @@ exchanges:
node_urls:
- "wss://mainnet.infura.io/ws/v3/6849a09aeeb044b592d46bcdce07ccef"
pools:
- address: "0x596192bB6e41802428Ac943D2f1476C1Af25CC0E"
base: "EZETH"
quote: "WETH"
- address: "0x4216d5900a6109bba48418b5e2AB6cc4e61Cf477"
token_address: "0x84631c0d0081FDe56DeB72F6DE77abBbF6A9f93a"
base: "RE7LRT"
quote: "ETH"
base_decimal: 18
quote_decimal: 18
invert_price: false
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