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ref: token price calculation #547

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8522872
test: didn't have regression
patricios-space Jan 26, 2026
0bd5f0a
fix: decimal count
patricios-space Jan 26, 2026
8344037
fix: error str
patricios-space Jan 27, 2026
5d945f2
fix: rm redundant code
patricios-space Jan 29, 2026
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25 changes: 9 additions & 16 deletions devenv/onchain.go
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@ import (
"github.com/smartcontractkit/chainlink-deployments-framework/operations"
"github.com/smartcontractkit/chainlink-testing-framework/framework/components/simple_node_set"

"github.com/smartcontractkit/chainlink-ton/deployment/ccip/config"
"github.com/smartcontractkit/chainlink-ton/deployment/ccip/operation"
"github.com/smartcontractkit/chainlink-ton/deployment/pkg/dep"
"github.com/smartcontractkit/chainlink-ton/deployment/pkg/ops/ton"
Expand All @@ -27,25 +28,17 @@ func (m *CCIP16TON) PostDeployContractsForSelector(ctx context.Context, env *dep
return fmt.Errorf("failed to load CCIP state: %w", err)
}

// Token price constants
const TONtoUSD = 2 // Example value (test/dev only)
const TONtoNanoTON = 1e9 // TON has 9 decimals
const TokenPriceBaseAmount = 1e18 // Base amount for TokenPrices
var USDDecimals = big.NewInt(1e18) // USD precision

// Token prices are normalized to account for token decimals.
// The formula is: (USD price in 1e18) * (1e18 / 10^tokenDecimals)
// For TON/LINK with 9 decimals: price * 1e18 * (1e18 / 1e9) = price * 1e27
// See: deployment/ccip/config/tokenPrice.go:CCIPTokenPrice

// Calculate TON token price: 2 USD with 9 decimals = 2e27
var TONBaseAmountTokenPrice = big.NewInt(int64(TONtoUSD * (TokenPriceBaseAmount / TONtoNanoTON)))
tonTokenPrice := big.NewInt(0).Mul(TONBaseAmountTokenPrice, USDDecimals)

tonTokenPrice, err := config.CCIPTokenPrice("2", 9)
if err != nil {
return fmt.Errorf("failed to calculate TON token price: %w", err)
}
// Calculate LINK token price: 20 USD with 9 decimals = 20e27
// LINK has 9 decimals on TON, same as TON
linkTokenPrice := big.NewInt(0).Mul(big.NewInt(20), big.NewInt(1e18))
linkTokenPrice = big.NewInt(0).Mul(linkTokenPrice, big.NewInt(1e9)) // Scale from 1e18 to 1e27
linkTokenPrice, err := config.CCIPTokenPrice("20", 9)
if err != nil {
return fmt.Errorf("failed to calculate LINK token price: %w", err)
}

updateConfig := operation.UpdateFeeQuoterPricesInput{
TokenPrices: map[string]*big.Int{
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