added native token and explorer url to chains response

rarimo · Jun 8, 2023 · 9695029 · 9695029
1 parent 4d68c2b
commit 9695029
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Showing 4 changed files with 41 additions and 2 deletions.
diff --git a/docs/spec/components/schemas/Chain.yaml b/docs/spec/components/schemas/Chain.yaml
@@ -14,6 +14,8 @@ allOf:
           - icon
           - swap_contract_address
           - swap_contract_version
+          - explorer_url
+          - native_symbol
         properties:
           name:
             type: string
@@ -51,4 +53,10 @@ allOf:
             example: "0x85718348D854CE2768e96D87a2ed6d12d619b67B"
           swap_contract_version:
             type: string
-            example: "PancakeSwap"
+            example: "PancakeSwap"
+          explorer_url:
+            type: string
+            example: "https://bscscan.com/"
+          native_symbol:
+            type: string
+            example: "BNB"
diff --git a/internal/config/chains.go b/internal/config/chains.go
@@ -1,6 +1,7 @@
 package config
 
 import (
+	"gitlab.com/distributed_lab/logan/v3"
 	"gitlab.com/rarimo/dex-pairs-oracle/internal/chains"
 
 	"gitlab.com/distributed_lab/figure/v3"
@@ -23,6 +24,32 @@ func (c *config) ChainsCfg() *chains.Config {
 			panic(errors.Wrap(err, "failed to figure out "+cfgName))
 		}
 
+		if err := validateChains(cfg); err != nil {
+			panic(errors.Wrap(err, "failed to validate "+cfgName))
+		}
+
 		return &cfg
 	}).(*chains.Config)
 }
+
+func validateChains(cfg chains.Config) error {
+	for _, chain := range cfg.Chains {
+		if chain.NativeSymbol == "" {
+			return errors.From(errors.New("native symbol is required"), logan.F{
+				"chain": chain.Name,
+			})
+		}
+
+		for _, tokenInfo := range chain.TokensInfo.Tokens {
+			if tokenInfo.Symbol == chain.NativeSymbol {
+				continue
+			}
+		}
+
+		return errors.From(errors.New("native token is not configured in tokens"), logan.F{
+			"chain": chain.Name,
+		})
+	}
+
+	return nil
+}
diff --git a/internal/services/api/handlers/list_supported_chains.go b/internal/services/api/handlers/list_supported_chains.go
@@ -82,6 +82,8 @@ func chainToResource(chain chains.Chain) resources.Chain {
 			SwapContractAddress: chain.SwapContractAddr.String(),
 			SwapContractVersion: string(chain.SwapContractVersion),
 			Type:                chainTypeToResource(chain.Type),
+			ExplorerUrl:         chain.ExplorerURL,
+			NativeSymbol:        chain.NativeSymbol,
 		},
 	}
 }

diff --git a/resources/model_chain_attributes.go b/resources/model_chain_attributes.go
@@ -5,10 +5,12 @@
 package resources
 
 type ChainAttributes struct {
-	Icon string `json:"icon"`
+	ExplorerUrl string `json:"explorer_url"`
+	Icon        string `json:"icon"`
 	// The kind of the chain
 	Kind                ChainKind `json:"kind"`
 	Name                string    `json:"name"`
+	NativeSymbol        string    `json:"native_symbol"`
 	Rpc                 string    `json:"rpc"`
 	SwapContractAddress string    `json:"swap_contract_address"`
 	SwapContractVersion string    `json:"swap_contract_version"`