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getSymbols Oanda lexical error #387

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macray76 opened this issue Jun 28, 2023 · 3 comments
Closed

getSymbols Oanda lexical error #387

macray76 opened this issue Jun 28, 2023 · 3 comments
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@joshuaulrich
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bug
Milestone
Release 0.4.24

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@macray76
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When executing any getSymbols command to Oanda results in a json error rather than extracting the daily rate.

getSymbols("EUR/GBP", src="oanda", from="2023-06-26", to="2023-06-26", auto.assign=FALSE)

Result:

Error in getSymbols.oanda(Symbols = "EUR/GBP", env = <environment>, verbose = FALSE,  : 
  Unable to import “EUR/GBP”.
lexical error: invalid char in json text.
                                       <!DOCTYPE html> <html lang="en"
                     (right here) ------^
@jrwishart
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A URL for oanda.com is made and fed into jsonlite::fromJSON here

quantmod/R/getSymbols.R

Lines 1152 to 1163 in f60b99d

oanda.URL <- paste0("https://www.oanda.com/fx-for-business/",
"historical-rates/api/data/update/",
"?&source=OANDA&adjustment=0",
"&base_currency=", currency.pair[1],
"&start_date=", from,
"&end_date=", to,
"&period=daily",
"&price=mid",
"&view=table",
"&quote_currency_0=", currency.pair[2])
# Fetch data (jsonlite::fromJSON will handle connection)
tbl <- jsonlite::fromJSON(oanda.URL, simplifyVector = FALSE)
This is now rejected by fromJSON with

Error in parse_con(txt, bigint_as_char) : 
  lexical error: invalid char in json text.
                                       <!DOCTYPE html> <html lang="en"
                     (right here) ------^

I am guessing the structure of the oanda website has changed and an update to this code is required?

@QuinHsieh
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If I implement the following commend, such like getFX("USD/JPY") or getMetals(c("gold","XPD")), it responds some the errors that can not understand.

1688020510249
1688020542581

Could everyone solve these problems?

@JimboMahoney
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Also seeing this and suspect it's an issue with Oanda - looks like they have changed URL (as @jrwishart mentions) and/or changed their data access for some / most datasets to premium / pro

.·´¯(>▂<)´¯·.

@joshuaulrich joshuaulrich self-assigned this Jul 4, 2023
@joshuaulrich joshuaulrich mentioned this issue Jul 9, 2023
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@macray76 @joshuaulrich @jrwishart @JimboMahoney @QuinHsieh