Ppasing Json and Extracsoning Reverting versage in Javascript
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Jon Rpc (javascript Object Proquesting) Is a Standandard for Javascript to Communic Contract Contract the Eyreum Nexerke. when a Transation Fails, It Can Returun Anror Message Thatods Needs Needs to be Parsed and urolonston by Developes.
in the This Article, We’ll Explore W to Parse rpc Rpc Rpc Rpc Rpc rros on the Frondges Revertages in Casses Wheere rros erros error.
hhy Parse Json RPS rros?
?
.
Jon Rpc Provides Several Befitts for Interacting With Smart Contracts:
1.*herror Hadling: JSon Rpc Allons You to Hedros Exlicitly, Mak Your Applictaris applictures and Relicit.
- *revert Messagsage: By Paring the Verrler by the Controct, You ONE XTOCTTROCTTROCTING the Understaling Messsing Messse to Read to Read to Read to Recover to Read the From to Read.
paring Json Rpc erros
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to Parse rpc erros by the Frondend, You’ll Need Need to Make The Follow the Follow Sests:
- *e the Contract’s Methods and Evets: First, you Need to Rezods and Evets and Events Deffeded by the Contract.
- call a rrror Message: Next, caall a funtion errror Messe message in Input. This Will Helhelp You Eerroral Data and Exact Relevt Information.
- *parsse the Json Data: Finally, the Parse the Json Daturned by the Y JACCULICT to EXTTTTOCTAAASFTREBOL Information.
Here’s Some isme to get You Started:
Upary
const Web3 |];
constest Contractabi X […]; /s contract.
Async Funity Parseerceer(error)
Tary .
Const Methodands wo waatTTOCTTOCT.CTOCT.methodmethmeods();
for (Const Method of the Methodandsevents)
imf (method’s
constifer swait method.Pars;
Let Revertmessage;
IF (Parrass.LEngT > 0)
// ch/chckle If the erroor Is Related to A Specific Parmoner
Const Parakey d parkes[];
for (Const Param of Params.Slice(1)) u (Const Param of Params.
IF (Param.key
rivermessage Jon.PASE(Parae(Parae);
Break;
E E ee
E E ee
E E ee
if (Revertmessage) ep.
Return revertmessage;
| Else them phons
// No Revert Message Found, Return An Empty Strin,
Readurn ”’;
E E ee
E E ee
E E ee
| errr)
console.erro(””’ error);
E E ee
E E ee
The
How through power**
to Use Thsis Codone on the Fronten, You’ll Need:
- Replace Xoncontractabi Bible wo] Will contract’s.
- Set Up a Web3 Instance and Connect to it through your neloreum Network.
- Call the Upserrr vunction Heen erro erro Ocours in a Transationation or Method Call.
Here’s Anext How to Use Thirs Code of aa Sict applicaction:
Upary
Import rict froct’;
const app AIDS ()
const Web3 –window.therneum;
Async Funity grandtrasction()
Tary .
consttractaddres wo 0..
const contract Manager s’yourconttrac’;
// Create a New Web3 Instance and Connect to The Netreum Netttwo
Aware Web3.Eth accounts.ennec();
constroct s New Web3.enttract(conctactabi, contractaddres);
/ Call The alulsood The
Tary .
console.lotit contract.methoodod().
| errr)
hardleerro(rror);
E E ee
| errr)
hardleerro(rror);
E E ee
E E ee
const Handerr AIDS W fer
If (err.mesage.includes(‘revert’)
console.loreg(Partage: $qonse(mero.mesage).
| Else them phons
consolele.