[AV-1855] Simplify build script to place binary in avalanchego plugin…

… directory (#81)

* Simplify build script to place binary in avalanchego plugin directory

* echo binary path

scripts/build.sh

@@ -38,8 +38,10 @@ source "$SUBNET_EVM_PATH"/scripts/constants.sh
 
 if [[ $# -eq 1 ]]; then
     binary_path=$1
+elif [[ $# -eq 0 ]]; then
+    binary_path="$GOPATH/src/github.com/ava-labs/avalanchego/build/plugins/srEXiWaHuhNyGwPUi444Tu47ZEDwxTWrbQiuD7FmgSAQ6X7Dy"
 else
-    echo "Invalid arguments to build subnet-evm. Requires one arguments to specify binary location."
+    echo "Invalid arguments to build subnet-evm. Requires zero (default location) or one argument to specify binary location."
     exit 1
 fi
 
@@ -49,5 +51,5 @@ fi
 subnet_evm_commit=${SUBNET_EVM_COMMIT:-$( git rev-list -1 HEAD )}
 
 # Build Subnet EVM, which is run as a subprocess
-echo "Building Subnet EVM Version: $subnet_evm_version; GitCommit: $subnet_evm_commit"
+echo "Building Subnet EVM Version: $subnet_evm_version; GitCommit: $subnet_evm_commit at $binary_path"
 go build -ldflags "-X github.com/ava-labs/subnet-evm/plugin/evm.GitCommit=$subnet_evm_commit -X github.com/ava-labs/subnet-evm/plugin/evm.Version=$subnet_evm_version $static_ld_flags" -o "$binary_path" "plugin/"*.go