Web3: Start KEVM Web3 Client with default accounts (#522)

* kevm: implement kevm-client

* kevm: update help message

* kevm: change to web3-client to web3-ganache

* kevm: use notif instead of echo

Author: anvacaru

kevm

@@ -96,6 +96,26 @@ run_web3_send() {
         | netcat 127.0.0.1 "$web3_port" -q 0
 }
 
+run_web3_ganache() {
+    local web3_port
+    web3_port="$1" ; shift
+
+    notif 'Launching web3 client'
+    $0 web3 "$web3_port" "$@" &
+    while ! netcat -z 127.0.0.1 "$web3_port"; do sleep 0.1; done
+    notif 'Generating accounts'
+    $0 web3-send "$web3_port" firefly_addAccount {'"key":"0xdc7e9a7c64933ab893160b79d099c254d274e1c40c6df6d5239e1a623e3d6de1", "balance":"0x56BC75E2D63100000"'}
+    $0 web3-send "$web3_port" firefly_addAccount {'"key":"0x6e2687f9732d970c6b1d5baa3dff26c4af36257552bc17df737afbc00ca70de2", "balance":"0x56BC75E2D63100000"'}
+    $0 web3-send "$web3_port" firefly_addAccount {'"key":"0xd34d8e873da77217abaef9424a7d87fce351b603920c7f5288d7701c5f148860", "balance":"0x56BC75E2D63100000"'}
+    $0 web3-send "$web3_port" firefly_addAccount {'"key":"0x976b5ec9253759d4a2746c37597841beba57527123dc3db2165b637adce58bcb", "balance":"0x56BC75E2D63100000"'}
+    $0 web3-send "$web3_port" firefly_addAccount {'"key":"0x23dff7ac7981167eb5386e51c3d6d2e3ca9dc219315749b2058d0a2d1e21625e", "balance":"0x56BC75E2D63100000"'}
+    $0 web3-send "$web3_port" firefly_addAccount {'"key":"0xe040e4bf96d8c9d3a8d1ffb22b30ed4b0a79a25342d656c5a8e2784b0fab752f", "balance":"0x56BC75E2D63100000"'}
+    $0 web3-send "$web3_port" firefly_addAccount {'"key":"0x13abddd7d94165fc46bed2cad6b0b14cd0267a85f70ad5c26cce82c609e0bf87", "balance":"0x56BC75E2D63100000"'}
+    $0 web3-send "$web3_port" firefly_addAccount {'"key":"0x0e29f7d6984bb47d60db479212ca56af516705b07d8753b474bd7f0db8bc1921", "balance":"0x56BC75E2D63100000"'}
+    $0 web3-send "$web3_port" firefly_addAccount {'"key":"0xea7fe1480e9ab71c261c5e1e727f36482f84dbdb07dbf8c8e9f767dcecf87568", "balance":"0x56BC75E2D63100000"'}
+    $0 web3-send "$web3_port" firefly_addAccount {'"key":"0x5f9addbbf41ae2e3d6cb7b07ffabf2c5ff6edc3a38c9dd64a9afd23df02ad7ee", "balance":"0x56BC75E2D63100000"'}
+}
+
 run_klab() {
     local run_mode klab_log
 
@@ -167,16 +187,17 @@ run_command="$1" ; shift
 
 if [[ "$run_command" == 'help' ]]; then
     echo "
-        usage: $0 run        [--backend (ocaml|java|llvm|haskell)]      <pgm>  <K arg>*
-               $0 interpret  [--backend (ocaml|llvm)] [--debug]         <pgm>  <interpreter arg>*
-               $0 kast       [--backend (ocaml|java|llvm|haskell|web3)] <pgm>  <output format> <K arg>*
-               $0 prove      [--backend (java|haskell)]                 <spec> <K arg>* -m <def_module>
-               $0 search     [--backend (java|haskell)]                 <pgm>  <pattern> <K arg>*
-               $0 web3       [--debug|--dump]                           <port>
-               $0 web3-send                                             <port> <web3 method> <web3 params>
-               $0 klab-run                                              <pgm>  <K arg>*
-               $0 klab-prove                                            <spec> <K arg>* -m <def_module>
-               $0 klab-view                                             <spec>
+        usage: $0 run          [--backend (ocaml|java|llvm|haskell)]      <pgm>  <K arg>*
+               $0 interpret    [--backend (ocaml|llvm)] [--debug]         <pgm>  <interpreter arg>*
+               $0 kast         [--backend (ocaml|java|llvm|haskell|web3)] <pgm>  <output format> <K arg>*
+               $0 prove        [--backend (java|haskell)]                 <spec> <K arg>* -m <def_module>
+               $0 search       [--backend (java|haskell)]                 <pgm>  <pattern> <K arg>*
+               $0 web3         [--debug|--dump]                           <port>
+               $0 web3-ganache [--debug|--dump]                           <port>
+               $0 web3-send                                               <port> <web3 method> <web3 params>
+               $0 klab-run                                                <pgm>  <K arg>*
+               $0 klab-prove                                              <spec> <K arg>* -m <def_module>
+               $0 klab-view                                               <spec>
 
            $0 run       : Run a single EVM program
            $0 interpret : Run JSON EVM programs without K Frontend (external parser)
@@ -185,6 +206,7 @@ if [[ "$run_command" == 'help' ]]; then
            $0 search    : Search for a K pattern in an EVM program execution
            $0 web3      : Run version of semantics which understand Web3 RPC (**UNDER CONSTRUCTION**)
            $0 web3-send : Send message to running Web3 instance of KEVM (**UNDER CONSTRUCTION**)
+           $0 web3-ganache     : Run version of semantics which understand Web3 RPC and is able to communicate with Truffle Test Framework (**UNDER CONSTRUCTION**)
            $0 klab-(run|prove) : Run program or prove spec and dump StateLogs which KLab can read
            $0 klab-view : View the statelog associated with a given program or spec
 
@@ -257,6 +279,7 @@ case "$run_command-$backend" in
     search-@(java|haskell)               ) run_search                      "$@" ;;
     web3-@(llvm)                         ) run_web3                        "$@" ;;
     web3-send-@(llvm)                    ) run_web3_send                   "$@" ;;
+    web3-ganache-@(llvm)                 ) run_web3_ganache                "$@" ;;
     klab-@(run|prove)-java               ) run_klab "${run_command#klab-}" "$@" ;;
     klab-view-java                       ) view_klab                       "$@" ;;
     *) $0 help ; fatal "Unknown command on backend: $run_command $backend" ;;