Adds Signer.getGasPrice()

ethers.nim

@@ -1,7 +1,9 @@
 import ./ethers/provider
+import ./ethers/signer
 import ./ethers/providers/jsonrpc
 import ./ethers/contract
 
 export provider
+export signer
 export jsonrpc
 export contract

ethers/provider.nim

@@ -14,3 +14,6 @@ method getBlockNumber*(provider: Provider): Future[UInt256] {.base.} =
 
 method call*(provider: Provider, tx: Transaction): Future[seq[byte]] {.base.} =
   doAssert false, "not implemented"
+
+method getGasPrice*(provider: Provider): Future[UInt256] {.base.} =
+  doAssert false, "not implemented"

ethers/providers/jsonrpc.nim

@@ -64,8 +64,15 @@ method call*(provider: JsonRpcProvider,
   let client = await provider.client
   return await client.eth_call(tx)
 
+method getGasPrice*(provider: JsonRpcProvider): Future[UInt256] {.async.} =
+  let client = await provider.client
+  return await client.eth_gasprice()
+
 # Signer
 
+method provider*(signer: JsonRpcSigner): Provider =
+  signer.provider
+
 method getAddress*(signer: JsonRpcSigner): Future[Address] {.async.} =
   if address =? signer.address:
     return address

ethers/providers/rpccalls/signatures.nim

@@ -1,3 +1,4 @@
 proc eth_accounts: seq[Address]
 proc eth_blockNumber: UInt256
 proc eth_call(tx: Transaction): seq[byte]
+proc eth_gasPrice(): UInt256

ethers/signer.nim

@@ -1,8 +1,15 @@
 import ./basics
+import ./provider
 
 export basics
 
 type Signer* = ref object of RootObj
 
-method getAddress*(signer: Signer): Future[Address] {.base, async.} =
+method provider*(signer: Signer): Provider {.base.} =
   doAssert false, "not implemented"
+
+method getAddress*(signer: Signer): Future[Address] {.base.} =
+  doAssert false, "not implemented"
+
+method getGasPrice*(signer: Signer): Future[UInt256] {.base.} =
+  signer.provider.getGasPrice()

testmodule/testJsonRpcSigner.nim

@@ -16,3 +16,8 @@ suite "JsonRpcSigner":
     let account = (await provider.listAccounts())[1]
     let signer = provider.getSigner(account)
     check (await signer.getAddress()) == account
+
+  test "can retrieve gas price":
+    let signer = provider.getSigner()
+    let gasprice = await signer.getGasPrice()
+    check gasprice > 0.u256