wehub-resource-sync
e071084ebe
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39 lines
1.2 KiB
Go
39 lines
1.2 KiB
Go
package x402
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import "strings"
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// assetInfo describes a known stablecoin: its contract address and EIP-712
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// domain (name, version) used to build a transfer-authorization signature.
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type assetInfo struct {
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Address string
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Name string
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Version string
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}
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// knownAssets maps a CAIP-2 network to its default stablecoin (USDC). Used to
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// fill in the asset and its EIP-712 domain when the operator does not specify
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// them, so a client can sign without hand-configured token metadata.
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var knownAssets = map[string]assetInfo{
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"eip155:8453": {"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "USD Coin", "2"}, // Base mainnet
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"eip155:84532": {"0x036CbD53842c5426634e7929541eC2318f3dCF7e", "USDC", "2"}, // Base Sepolia
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}
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// NormalizeNetwork maps common short chain names to their CAIP-2 identifiers,
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// which hosted facilitators (Coinbase CDP) use, and passes anything else
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// through unchanged. Empty defaults to Base mainnet.
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func NormalizeNetwork(n string) string {
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switch strings.ToLower(strings.TrimSpace(n)) {
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case "", "base", "eip155:8453":
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return "eip155:8453"
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case "base-sepolia", "eip155:84532":
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return "eip155:84532"
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default:
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return n
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}
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}
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func defaultAsset(network string) (assetInfo, bool) {
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a, ok := knownAssets[network]
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return a, ok
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}
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